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New data from Copernicus Climate Change Service, said one campaigner, shows that the "natural systems we depend on are being pushed closer to their limits.”
Last month's average global ocean surface temperature was the hottest ever recorded in the month of July, fueled in part by uniquely intense, fossil fuel-driven El Niño conditions that have wreaked deadly havoc around the world this summer.
The European Union's Copernicus Climate Change Service (C3S) said Monday that last month—which ranked as the second warmest July on record—"saw exceptionally high temperatures for the month across a large portion of the tropical Pacific, an area where El Niño conditions are present and forecast to further strengthen in the coming months." Average global sea surface temperatures (SSTs) were 20.96°C last month, surpassing the July 2023 record of 20.89°C.
"Around Europe, SSTs reached record highs for July along the Atlantic coast and western Mediterranean, associated with widespread strong or severe marine heatwave conditions," C3S said.
Brian O'Donnell, director of the Campaign for Nature, said the latest Copernicus data "is more than another climate milestone; it is a warning that the natural systems we depend on are being pushed closer to their limits."
"Governments have become very good at documenting these records. Now they need to become much better at safeguarding the forests, wetlands, and oceans that help regulate the climate and protect communities from the impacts of warming world," said O'Donnell. "With land and ocean temperatures across Europe breaching records, governments should be investing far more and delivering on their global commitment to protect at least 30% of land and ocean by 2030."
The new analysis was released as western Europe and other regions faced deadly heat, wildfires, drought, and other extreme weather as the international community, including the US and other leading polluters, fails to rein in fossil fuel use—and as oil and gas giants reap record profits.
“Our leaders’ response has to be swifter and stronger than El Niño," Anne Jellema, executive director of the environmental group 350.org, said Monday. "We already know that global heating is supercharging extreme weather damage, and the public wants polluters to pay for it. With Big Oil’s earnings skyrocketing while a global food crisis looms, now is the time to act. The only way to stave off a humanitarian disaster is to make those causing it pay upfront—before even more damage is done.”
Scientists have characterized this year's El Niño, which officially began on June 11, as historically strong and dangerous, earning it the informal "Super El Niño" label.
The Washington Post reported Monday that the 2026 El Niño is "on track to become the strongest ever recorded, with cascading effects on global climate peaking late this year and into next."
"El Niño’s effects have already been felt around the planet," the Post observed. "The higher frequency of heat domes worldwide, the nonstop temperature records in Peru and deadly storms in Chile can all be linked to this pattern. As can the destructive typhoons in the western Pacific Ocean and the relative calm of the Atlantic hurricane season so far."
United Nations Secretary-General António Guterres warned in remarks to reporters last month that El Niño is no longer just "on our doorstep."
"It is inside the house—and turning up the heat," said Guterres. "We have already endured a summer of extremes—record-shattering heat domes, apocalyptic wildfires raging in Spain, France, and far beyond. Thousands of lives lost in the scorching conditions.”
“But according to the latest science," he added, "this is only a warm-up act."
"Time and again we see the same results: Climate change is a key driver behind uncontrollably large and unprecedented fires."
Committed to climate denial, President Donald Trump has insisted in recent weeks that hundreds of wildfires currently burning across Canada are the result of the country's mismanagement of its vast boreal forests—but scientists confirmed in a study out Thursday that "human-induced climate change" made the fires twice as likely.
The World Weather Attribution (WWA), a consortium of scientists who study how planetary heating and the climate emergency fuel extreme weather, examined the weather conditions connected to fast-spreading fires, including extreme heat, drought conditions, humidity, and wind.
They measured the Canadian index for those conditions and then compared the country's current weather patterns to a world without the 1.4°C of warming that has occurred since humans began burning fossil fuels.
"The weeklong weather conditions that led to the fires in Ontario are now the type that can happen every six years or so," WWA reported.
In the Northwest Territories, where more than 5,000 square miles of forest burned, sending smoke drifting thousands of miles into the continental United States, WWA noted that lightning initially caused the fire, "but it was the climate conditions that took that initial ignition and made the fire burn intensely and spread too fast to control."
Theodore Keeping, a member of WWA and a weather expert at Imperial College London, told The Guardian that "adaptation alone is not enough. We need to rapidly move away from fossil fuels to avoid events like this becoming even more of a reality.”
“Smoke does not carry a passport, but carbon pollution does have a history. President Trump is pointing at the smoke while ignoring America's fingerprints on the climate conditions behind it.”
The weather conditions that dry out vegetation and make them more prone to catching fire are now expected to occur every 2-6 years in the Northwest Territories.
"If humanity hadn’t overheated the planet by burning coal, oil, and gas, the scientists determined, such extreme fire conditions would occur less than once every 40 years," said WWA.
The study was released as a new wildfire in the Vancouver area broke out, prompting air quality warnings and evacuations.
Wildfire smoke contains significant amounts of particulate matter (PM2.5), which can lodge itself in human lung cells and enter the bloodstream.
Trump asserted last month regarding Canada, "If they managed their forests, they wouldn’t have the fires.”
But Mike Flannigan, a fire scientist at Thompson Rivers University in British Columbia, who was not part of the WWA study, told ABC News that forest management and prevention efforts can only go so far in a country where much of the boreal forest is remote and hard to access.
“In Canada, when things are extreme, you have about a 30-minute window to put that fire out,” Flannigan said. "If you don't get there in 30 minutes, you're out of luck. And many of the fires that start in Canada are northern remote areas that are more than 30 minutes away from an airport. So even with perfect detection systems, we would get there too late and these fires are going to burn.''
By continuing to burn fossil fuels, Flannigan added, “we're putting nails in our coffins."
The study comes days after Trump's Interior Department moved to further expand offshore drilling by proposing weakened protections for drilling in the Arctic Outer Continental Shelf, and as his push for artificial intelligence data centers has sent the demand for natural gas soaring. He has also accelerated approvals for liquefied natural gas export terminals.
Andrew Weaver, a climate scientist at University of Victoria in British Columbia, noted that in addition to Trump's push for more fossil fuel extraction, the US has caused more carbon pollution than any other country in history.
“Smoke does not carry a passport, but carbon pollution does have a history," Weaver told ABC News. “President Trump is pointing at the smoke while ignoring America's fingerprints on the climate conditions behind it.”
WWA also found recently that wildfires in Spain this summer were made 20 times more likely by the climate emergency.
“What is going to be next?” Friederike Otto, a climate scientist at Imperial College London and a co-author of the study, said to The Guardian. “Time and again we see the same results: Climate change is a key driver behind uncontrollably large and unprecedented fires. This shouldn’t come as a surprise. The science has been clear for decades: Burning fossil fuels is making these wildfires more frequent, more intense, and more difficult to contain.”
"These markets risk creating perverse incentives, undermining public trust, and commodifying human suffering in ways that warrant careful scrutiny."
As wildfires ravaged large swaths of the Western US, a group of Democratic senators on Monday called on federal regulators to rein in prediction markets offering contracts tied to such disasters, warning that turning climate-fueled extreme weather into financial wagers creates "perverse incentives" that could motivate arson and other crimes.
In a letter to Commodity Futures Trading Commission (CFTC) Chair Michael Selig, Sens. Jeff Merkley (Ore.), Alex Padilla (Calif.), Jeanne Shaheen (NH), Adam Schiff (Calif.), Jacky Rosen (Nevada), Catherine Cortez Masto (Nevada), Martin Heinrich (NM), Ron Wyden (Ore.), and Amy Klobuchar (Minn.) wrote that "prediction markets have been enabled to expand rapidly, increasingly inviting speculation on war, political violence, disasters, and public emergencies that raise ethical and public policy concerns."
"These markets risk creating perverse incentives, undermining public trust, and commodifying human suffering in ways that warrant careful scrutiny," the lawmakers continued. "Recent public reports have highlighted how Polymarket—the largest prediction market platform in the world—accepted more than $1.2 million in bets surrounding the Palisades and Eaton fires in January 2025. These fires devastated the Los Angeles area, claiming the lives of 31 people and destroying more than 16,000 structures."
"Offering bets on destructive wildfires threatens to minimize communities’ suffering all so the rich and powerful can profit," the letter argues. "There’s also the heightened risk—according to state and local fire officials—that individuals could be tempted to commit arson in order to make sure their bets are successful."
"By offering contracts on fires, prediction market sites run the risk of encouraging people to influence fires that have already started, creating additional concerns around public safety and insider trading," the senators added.
The CFTC controversially considers Polymarket and Kalshi designated contract markets (DCMs)—over which the federal agency has control versus state gambling regimes—and is currently developing nationwide rules.
The letter's signers asked Selig:
"As the United States faces yet another record-breaking fire season this year, the [CFTC] cannot allow these prediction markets to offer unrestricted betting on wildfires," the senators stressed. "While these bets appear to be offered only on the offshore Polymarket site, it is only a matter of time before other US-based designated contract markets try to offer these. The CFTC must lead the charge to rein in these contracts in the US and offshore and put in place commonsense guardrails to prevent people from profiting as wildfires threaten communities."
In addition to wildfires, Polymarket users can place wagers related to earthquakes, hurricanes, and volcanic eruptions.
Polymarket responded to the senators' letter in a statement to Claims Journal saying, "When tragedy unfolds, people turn to the news for commentary and to Polymarket for information.”
"While we recognize the risks associated with these markets, removing them does not prevent a tragedy," the company added. "It only makes timely, market-based information less accessible to those seeking to understand what may happen next.”
The senators' letter came days after Democratic New York Attorney General Letitia James announced a lawsuit targeting Polymarket competitor Kalshi for operating as “an illegal gambling operation" in "flagrant disregard” for the Empire State’s “Constitution, penal laws, and other statutes.”
Last month, a coalition of consumer advocacy groups condemned the CFTC's attempt to allow platforms like Kalshi and Polymarket “a green light to bypass state gambling regimes.”
“Calling a sports wager an ‘event contract’ does not transform it into a legitimate tool for managing economic risk,” said Eric Naing, communications director for Demand Progress Education Fund, one of the groups decrying the regulator's approach to such companies.
"The fossil fuel industry may not have struck the match, but the climate crisis they drove has loaded our landscapes with tinder," said an environmental activist.
Over 60,000 people were ordered to evacuate the Spokane area over the weekend as it was devastated by what Democratic Washington Sen. Maria Cantwell called the “top fire” in a nation currently being scorched by climate-fueled blazes.
Illustrating how the climate crisis is already impacting lives and communities across the country and the globe, three raging fires reportedly consumed over 600 structures as of Sunday, including homes and businesses, and reduced entire streets to their foundations.
At a briefing on Sunday afternoon, officials said more than 250,000 acres were burning across Washington, but reported no deaths or injuries.
Spokane Mayor Lisa Brown called it "the worst natural disaster our region has faced."
Democratic Gov. Bob Ferguson has requested assistance from the Federal Emergency Management Agency (FEMA), which is under the Trump administration's Department of Homeland Security (DHS).
Sen. Patty Murray (D-Wash.) wrote on social media that she had spoken with Homeland Security Secretary Markwayne Mullin and that he “made clear the federal government will do everything it can to support response and recovery,” though President Donald Trump has previously intervened to block disaster aid to Democrat-led states.
While the fires moderated over the weekend, on Monday they remained largely uncontained and continued to spread due to dry conditions from recent severe droughts in the region, exacerbated by rising global temperatures.
"This is climate change playing out live in real time," said meteorologist and Climate Central journalist Shel Winkley in a video about the Spokane fires.
Warmer temperatures, he explained, have caused a vicious cycle of "weather whiplash" in which greater winter rainfall facilitates plant growth before harsher summer heat domes suck moisture from these plants, turning them into a tinderbox.
“Northeastern Washington and central Oregon now see at least three more weeks of fire weather days each year than they did just back in the 1970s,” Winkley said. “More fire weather days means more chances for a spark, any spark, to turn into this.”
The blazes are part of a nationwide trend, with wildfires this year more severe on average than in previous years. Over the past decade, the average annual acreage burned in the US was more than double the average of the late 1980s and early 1990s, according to data from the National Interagency Fire Center.
Last week, an Oxfam analysis of data published in the journal Nature found that emissions from just five oil companies—BP, Chevron, ExxonMobil, Shell, and TotalEnergies—were sufficient to cause around 1 in 4 heatwaves reported globally between 2000 and 2023—"heatwaves that would have been virtually impossible without human-made climate change."
Using S&P Capital Trucost data, the group estimated that Big Oil was responsible for more than $60 billion in environmental damage last year.
But as costs fall on the public, oil companies like Chevron and ExxonMobil have reported record profits of $12.1 billion and $14.5 billion over the past quarter, in part due to global oil price spikes driven by Trump's war with Iran.
"The fossil fuel industry may not have struck the match, but the climate crisis they drove has loaded our landscapes with tinder," said Clémence Dubois, the campaigns director for the environmental group 350.org. "Chevron and Exxon are profiteering from a model of distraction, leaving ordinary people to pay the price with higher bills and devastating impacts such as these fires. These profits feel almost criminal.“
Jay Inslee, Washington's former Democratic governor and a longtime advocate for policies to combat the climate crisis, said on Sunday that his friend, a legislator from Spokane, had been forced to flee his home due to the fires.
“Climate change isn’t some faraway threat,” Inslee said. “It’s happening right now, to our neighbors and friends. We have to fight for them."
"Big Oil’s greed is incompatible with a livable planet and unless governments rein it in, they will make a mockery of international climate targets,” said one Oxfam campaigner.
An analysis published Tuesday highlights how the world's top fossil fuel companies are expected to rake in nearly twice as much in second-quarter profits as they did during the first quarter of 2026, a windfall that comes as their polluting products help fuel extreme heat that kills hundreds of thousands of people around the world annually.
Oxfam International's analysis warns that the profits of the world’s six largest oil and gas companies are on track to skyrocket from $23 billion during the first quarter of the year to $45 billion in Q2 as emissions from their products intensify deadly heatwaves.
"Projected full-year profits of BP, Chevron, Eni, ExxonMobil, Shell, and TotalEnergies amount to $147 billion, more than their combined profits over the previous 21 months (Q2 2024 to Q4 2025)," the report states. "Among the biggest winners, Chevron is expected to report that it has quadrupled its profits to $1,200 a second in the last three months, while ExxonMobil’s profits are expected to have tripled to $1,800 a second."
"Oil and gas corporations share an outsized responsibility for the climate crisis," the publication continues. "Emissions from BP, Chevron, ExxonMobil, Shell, and TotalEnergies were sufficient to cause around 1 in 4 heatwaves reported globally between 2000 and 2023—heatwaves that would have been virtually impossible without human-made climate change."
New Oxfam analysis finds that emissions from 5 major fossil fuel corporations were enough to cause 1 in 4 heatwaves between 2000 and 2023. Heatwaves that would have been virtually impossible without climate change.It’s time to #MakeRichPollutersPayMore: bit.ly/BigOilQ2prof...
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— Oxfam International (@oxfaminternational.bsky.social) July 28, 2026 at 12:00 AM
Conflicts like the US-Israeli war of choice on Iran and the ongoing Russian invasion and occupation of Ukraine, as well as Big Oil greed, are among the leading factors blamed for spiking fuel costs.
On Tuesday, The New York Times reported that top US fossil fuel executives have sold nearly $400 million in their own companies' stock since Trump launched the Iran War on the last day of February.
“Fossil fuel corporations are making a killing, literally and figuratively," Mariana Paoli, Oxfam's climate policy lead, said in a statement Tuesday.
"As extreme heat, floods, and storms devastate communities across the world, the industry is preparing another bonanza of profits," she continued. "Families are paying the price three times over—through destroyed homes and harvests, through soaring energy prices, and through a cost-of-living crisis worsened by dependence on fossil fuels."
"Big Oil’s greed is incompatible with a livable planet, and unless governments rein it in, they will make a mockery of international climate targets,” Paoli added.
The report comes amid a summer of dangerous heat events in the United States, including prolonged “heat domes” that have pushed temperatures to life-threatening levels and contributed to at least dozens of deaths, as well as more record heatwaves in Europe that have left thousands dead and fueled massive wildfires.
"Yet rather than scaling back fossil fuel production and accelerating the transition to renewable energy, the six largest fossil fuel corporations plan to increase oil and gas production by 14% by 2030 compared to 2024 levels, equivalent to pumping an additional 2.5 million barrels of oil a day," Oxfam noted.
Paoli said Tuesday that "while Big Oil fuels extreme weather events, rich countries are refusing to increase the public climate finance that poorer countries urgently need to cope with the climate crisis."
“Until governments make the richest polluters pay, fossil fuel corporations will keep driving us deeper into climate chaos," she added. "Taxing the richest polluters could help close the gap in funding for climate adaptation and speed the transition towards renewable energy. Fossil fuel corporations must feel the heat, not us."
Oxfam contends that the "rich polluter profit tax" it has modeled could raise as much as $400 billion globally in its first year based on 2024 figures, compared with the estimated $290 billion to $1 trillion needed annually by 2030 to compensate for the loss and damage caused by climate change in the Global South. Unlike one-off windfall profits taxes, the rich polluter profit tax would be permanent.
"We are facing a climate emergency, therefore governments should each impose this tax swiftly," Oxfam said last month. "Countries across all continents should form a ‘coalition of the willing’ to coordinate and speed up their efforts and counter fossil fuel company lobbying and tax avoidance."
The Oxfam analysis follows the release earlier this month of a World Health Organization (WHO) report showing nearly 500,000 annual heat-related deaths worldwide in the years 2000-19—a figure expected to grow as extreme temperatures driven by the climate emergency become the new normal.
"Mitigating climate change by reducing greenhouse gas emissions is imperative and urgent to limit the magnitude of human costs from extreme heat," WHO said.
It may sound like all is lost. On the contrary: Solutions abound, and there are many reasons for hope.
On July 22, the Climate Clock—whose numbers Greta Thunberg, King Charles III, and other climate champions have for years used to demand urgent action—will drop below three years for the first time, signaling a rapidly shrinking window to avert worsening Climate Catastrophe by preventing global warming from rising above 1.5°C. We will pass this critical climate red line before the next FIFA World Cup in 2030 and by the time this year’s cohort of undergraduate students earn their degree. This is not doomerism. This is simply what the world’s best science has been telling us, clearly and accurately, for nearly a decade.
It may sound like all is lost. On the contrary: Solutions abound, and there are many reasons for hope. But first we need to understand where we are and how we got here.
The anti-progress, self-sabotaging direction of the current US administration has now all but assured that the planet will blow past this critical global deadline in three years, setting the world on a dangerous track toward increased chaos and disruption, from extreme heatwaves to increased devastation by floods to collapsing food systems.
President Donald Trump has not done this alone. Under Trump, the federal government has acted as a direct appendage of the Fossil Fuel industry, seeking profits at all costs while sabotaging the most viable climate solutions and undermining any sustainable alternatives to oil, gas, and coal.
"The best time to avert climate disaster was 10 years ago. The second best time is now.”
This administration has ended clean energy tax credits, terminated emission standards for cars and trucks, and eliminated the scientific and legal foundation for federal greenhouse gas regulations by revoking the Environmental Protection Agency’s Greenhouse Gas Endangerment Finding. With a special spite, Trump has also forced money-losing coal plants to continue operating while cancelling perfectly good already 80% complete offshore wind projects.
And once again the world finds itself embroiled in yet another “War for Oil,” this time over the Strait of Hormuz with a running price tag of over $100 billion. The economic, social, and ecological costs of fossil fuels have become so great, that some have likened it to “Energy From Hell.”
Despite these frightening realities, there is a surprising amount of good news. While the US stumbles backward, the rest of the world races forward.
The pace of China's renewable energy growth has been staggering. China reached its 2030 wind and solar targets six years ahead of schedule. China installs 3 gigawatts of solar power per day—meaning it builds the rough equivalent of a large coal-fired power plant worth of renewable energy every eight hours. Renewables now account for over 60% of China's total power generating capacity. Climate activist and author Bill McKibben describes China as the "Costco of energy"—its massive production of solar panels is one of the key drivers of the global solar revolution. In the race toward renewables, China is now kicking the United States butt outright, having installed five times the capacity of the US.
Riding the global glut of cheap Chinese solar panels, Pakistan is undergoing one of the fastest grassroots energy transitions in the world. In over just two years, ordinary citizens independently installed an estimated 27 gigawatts of solar capacity. This consumer-led boom made solar the nation's largest single source of electricity.
India’s renewable energy sector is the world's third largest, with non-fossil sources exceeding 51% of the country’s total installed capacity, hitting its 2030 targets five years ahead of schedule. Powered by offshore wind, Denmark leads Europe's remarkable green transition, now sourcing roughly 88% of its net electricity from renewables, and aiming for 100% renewable electricity by 2030. Uruguay now generates nearly 99% of its electricity from renewable sources. This massive transition slashed production costs by half, created 50,000 jobs, and allows the country to export surplus clean energy to Argentina and Brazil. Even the Vatican is getting in on the action, driving forward hard on an ambitious initiative to make Vatican City the world's first carbon-neutral state.
And in spite of Trump’s efforts to undermine it, the USA’s transition to renewables rolls forward. This May, for the first time in the USA, solar power generated more electricity than coal. A huge milestone. Despite the reduction in federal subsidies, demand by US consumers for renewable energy continues unabated, simply because it’s the most affordable option.
Over the last decade, solar energy has become 10 times cheaper, onshore wind three times cheaper. Renewable energy is now the cheapest source of new power in most markets. Falling prices mean renewables accounted for over 90% of total worldwide new electricity-generating capacity added, pushing renewables to account for roughly one-third of global power. In 2024 alone, global power generation from renewable sources saved US$467 billion in avoided fossil fuel costs.
If it wasn’t for the relentless deluge of Climate Denialism and anti-science rhetoric muddying our public discourse (much of it paid for by the Fossil Fuel industry), these incredible human achievements in the face of catastrophe would be sources of great national and international pride, akin to World Cup victories.
Just this spring, frustrated by the United Nation’s COP process that year after year has been undermined by petro states and fossil fuel lobbyists, 50 governments, including Colombia and the Netherlands (the birthplace of oil giant Shell), gathered for a First Conference on Transitioning Away from Fossil Fuels. This "coalition of the willing” charted out concrete next steps to accelerate the global transition to renewables.
The renewables revolution being pursued across the globe is delivering real results. The most real result: Newsflash! we’re not going to go extinct!
Recently, scientists have determined that the most dreaded, worst-case scenario of a 4.5°C-plus global temperature increase is now, thankfully, off the table. Thanks to the combined efforts of governments, activists, scientists, engineers, and consumers, we have—for now—slowed the runaway climate train from crashing at full velocity into a horrific future. This is a massive success story of the global climate movement that has gotten far fewer headlines than it deserves.
Perhaps the part of this global crisis that future generations may have the hardest time understanding is how clear and doable the climate solutions we need are. While the rapid transition from Fossil Fuels to Renewable Energy is the foundation, other solutions reinforce the gains: Gender Parity in government (aka more women in leadership) delivers better, measurable pro-climate outcomes, while protecting 30% of our land by the year 2030 would maintain critical global biodiversity and mitigate climate impacts.
The Clock also tracks the dollar cost of inaction, currently $32 trillion! Yes, that’s right. According to an extensive recent study from the journal Nature, acting now to mitigate climate change would potentially prevent $32 trillion in damages by 2050. Meanwhile a new analysis by Bloomberg Intelligence reports that the US spends nearly $1T per year on climate damages, exceeding 3% of US GDP.
The Climate Clock has been doing it’s part to hasten progress, branching out from our monumental time keeper in New York City’s Union Square to dozens of countries, putting handheld clocks in the hands of hundreds of climate activists across the world to pressure leaders to take action. Climate champions from presidents to TV meteorologists have now used the clock to push for urgent implementation of the solutions.
The threats are very real and time is of the essence. But the solutions available to us are vast and achievable.
All these solutions are displayed on the Clock in real time, tracking our forward progress as the deadline counts down. The Climate Clock was never an “End of The World” clock, but a “How to Save The World” clock.
To paraphrase an old saying: "The best time to avert climate disaster was 10 years ago. The second best time is now.” Every fraction of a degree counts. It’s never too late to fight for people and the planet. Even as the Clock ticks toward zero, we must—and can—act in time.
“The next time your community is hit by a heatwave or flash flood, lay some blame with Big Oil. This report is yet another sign that we need to break away from this dangerous, polluting industry,” one scientist said.
A landmark report released by the National Academies of Sciences, Engineering, and Medicine on Thursday concludes that the science of linking individual extreme weather events to fossil fuel-driven climate change has advanced considerably in the past decade, findings that bolster the efforts of communities to hold oil and gas companies accountable for climate damages.
The report follows on the heels of deadly heatwaves in Europe and the US that were both deemed to be "virtually impossible" without the climate emergency.
“The new report makes clear that the science linking ever-worsening extreme weather events to climate change is rigorous and sound,” John Fleming, a senior scientist at the Center for Biological Diversity’s Climate Law Institute, said in a statement. “The next time your community is hit by a heatwave or flash flood, lay some blame with Big Oil. This report is yet another sign that we need to break away from this dangerous, polluting industry.”
The report from the National Academies, or NASEM builds on a 2016 report on the same subject and tracks the progress made since then in linking specific extreme weather events such as hurricanes or heatwaves to human-caused global warming—a field known as extreme event attribution (EEA). It found that a combination of improvements in tools, datasets, and methods had made such attributions increasingly reliable, especially for events clearly related to rising average temperatures such as heatwaves, cold spells, and heavy rainfall.
“The science is clear: The extreme heat killing thousands of people in the Northern Hemisphere this summer is neither an unpredictable event nor an accident—it is the result of corporate crime."
“Significant progress has been made over the last decade, with major advancements in methods and modeling that allow for more robust assessments of extreme events,” James Hurrell, who chaired the report committee and serves as the Scott presidential chair of Environmental Science and Engineering at Colorado State University, said in a statement.
EEA could still improve when it comes to analyzing the climate footprint on smaller-scale weather events like thunderstorms and tornadoes, as well as attributing events in parts of the Global South where climate data is less available.
Hurrell continued: "The field still faces challenges, and addressing them is necessary to fully realize the value of attribution science. We hope our recommendations will guide those efforts.”
Unaffiliated climate scientists and environmental advocates welcomed the report's findings.
"The robust conclusions that have been reached by the mainstream climate research community betray the dismissive claims that continue to be made by fossil fuel industry groups, right-wing think tanks, and Republican operatives who feel threatened by the scientific progress in this particular area," wrote climate scientist and University of Pennsylvania professor Michael Mann. "They have long understood... that Americans will increasingly demand meaningful policy action on climate as they come to understand the profound role that fossil fuel burning is playing in the worsening climate crisis."
Mann continued: "Nothing connects the dots better that the increasingly dangerous, damaging, and deadly climate change-fueled extreme weather events. As an aside, I could see and smell the hazardous wildfire smoke that blanketed the northeastern US while on vacation with my family in New Hampshire this week. Increasingly, Americans are connecting the dots between our reliance on fossil fuels and the hazards we face, whether its costly and dangerous wars of choice in far-flung lands like Iran, or the threat of increasingly extreme weather events."
Carly Phillips, a senior scientist at the Union of Concerned Scientists (UCS) who has co-authored attribution studies, said in a statement: “Attribution science confirms what billions of people around the world have experienced firsthand—deadly events like extreme heatwaves are occurring more often and tropical cyclones are more intense due to climate change. Despite efforts by the fossil fuel industry and its cronies to intimidate panelists and misrepresent the research, the academies’ report affirms the scientific consensus: Attribution science is based on rigorous peer-reviewed methods and provides critical information about how climate change is driving increases in the frequency or severity of extreme events."
The report is notable not only for its findings but for their context. It's publication comes amid the Trump administration's aggressive climate denial, including the Environmental Protection Agency's repealing of the so-called "endangerment finding" connecting carbon dioxide emissions to climate and public health harms.
At the same time, the fossil fuel industry and its right-wing political allies are scrambling to find a way out of the increasing number of lawsuits attempting to hold them accountable for the harms caused by the climate crisis. This has included pushing bills in the House of Representatives and Senate that would grant the industry immunity from any lawsuits over damages caused by the use of their products.
Both the fossil fuel industry and climate justice advocates see the NASEM report as a potential weapon in the fight over climate liability. Argus Insight, an opposition research firm co-founded by former Trump staffers that has a history of working to undermine climate lawsuits, sent at least nine records requests to public universities where NASEM report authors work, as Politico reported ahead of its release.
Andrew Dessler, a professor of atmospheric sciences at Texas A&M University, advised that journalists covering the NASEM report "not frame any story as 'Can we believe extreme event attribution research?' The actual story is: Fossil fuel interests are wetting their pants about this and will do anything to try to stop it."
Yet climate justice advocates argue that the report gives the advantage to communities over the industry.
“For decades, Big Oil knowingly poisoned our atmosphere and deceived the public about the impacts of burning fossil fuels—all the while lining executives’ pockets as communities continue to suffer from extreme heat, floods, and fires," Stephanie Brancaforte, climate accountability campaign director with Public Citizen’s Climate Program, said in a statement.
Brancaforte added: “The science is clear: The extreme heat killing thousands of people in the Northern Hemisphere this summer is neither an unpredictable event nor an accident—it is the result of corporate crime. With the backing of the National Academies, survivors of climate catastrophes now have strong evidence to pursue justice against fossil fuel polluters to pay for the devastation they have unleashed.”
Cassidy DiPaola, communications director for the Make Polluters Pay campaign, said: "The National Academies just gave courts, cities, and communities something they've long needed: the full weight of the country's most authoritative scientific body behind attribution science. It affirms what researchers and international bodies like the IPCC [Intergovernmental Panel on Climate Change] have long recognized—that we can say, with real confidence, which extreme weather events were made worse by fossil fuel pollution, and how much damage that pollution caused."
DiPaola continued: "The fossil fuel industry understands exactly what this means. That's why they've spent years trying to discredit attribution science as a field, and why they and their allies in Congress and state legislatures are racing right now to pass liability shield laws. They can't out-argue hundreds of peer-reviewed studies backed by the country's most respected scientific institution, so instead they're trying to make the law immune to the science. They know this research doesn't just describe a hotter world, but draws a line from their products to specific floods, heatwaves, and deaths, and from there to who should pay for the damage."
"Attribution science now underpins how cities plan for disaster, how insurers price risk, how public health officials prepare for heat deaths, and how courts weigh accountability," she concluded. "The only people with an interest in pretending otherwise are the ones being asked to pay for the damage they caused."
The time has come for us to rise up against this deceptive and powerful industry, to finally kick them out of spaces with influence. It is high time for us to stop being manipulated by fossil fuel companies that are only out to make a profit and harm us.
Temperatures have soared globally this summer. And far from simply being uncomfortable, it’s killing people.
This past July 4 was one of the hottest in US history. While Americans gathered to celebrate the country’s 250th birthday, dozens died from extreme heat—and the toll may still rise. In Europe, which has seen its own devastating heatwave, some 3,700 people have died. And the heat has become so extreme in Pakistan that people’s teeth are literally dissolving in their mouths.
This is only the beginning of extreme heat this summer—and if we don’t stop the climate crisis, for the rest of time. Scientists are warning that this marks “uncharted territory” in rising temperatures.
The good news? We know the solution. To build a better world, with cheaper and cleaner energy, we have to phase out fossil fuels and transition to green energy. This process is easier and cheaper than ever. Some 90% of renewable energy is now cheaper than fossil fuels, and renewables don’t heat our planet the way that fossil fuels do.
As temperatures rise, we are now in a battle of people vs. fossil fuels.
The bad news? Fossil fuel companies, and the politicians who support them, are trying to block this transition. Companies like Exxon have known for over 50 years that fossil fuels cause climate change —and that rising temperatures would cost lives. But they’ve tried to bury this information, stall the transition, and deceive the public that fossil fuels aren’t responsible.
I’ve seen this play out firsthand.
When I was 17, I spent a sunny week in Dubai at the 28th United Nations annual climate conference (COP28). I was so excited to attend the conference. I met other activists passionate about renewable energy and taking down the fossil fuel industry. I even attended lobbying meetings with the lead US negotiators, Trigg Talley and Sue Biniaz.
Everything in Dubai felt larger than life—from the Burj Khalifa to the massive dome in the middle of the conference center. But over the week, the conference began to feel more and more dystopian. The fossil fuel industry had sent 2,456 lobbyists to that COP—and despite the loud cries of activists and scientists, their voices drowned ours out.
At the end of the conference, we had a small win—fossil fuels were mentioned in a COP text for the first time ever. But the language was so weak that the statement felt almost meaningless. The text did nothing to change the trajectory of the climate crisis.
The fossil fuel industry has propagated lies about climate change for years. They’ve tried to convince us that climate change is our fault instead of theirs, with campaigns around “carbon footprints”—a concept created by BP—and recycling, which was popularized by the plastics industry but has never managed to efficiently recycle plastics themselves.
They have also spent hundreds of millions of dollars on influencing climate decision-making spaces—from United Nations conferences to Washington, DC. Big Oil spent $445 million during the 2024 elections—and in return has gotten $40 billion in fossil fuel subsidies from the Trump administration.
The time has come for us to rise up against this deceptive and powerful industry, to finally kick them out of spaces with influence. It is high time for us to stop being manipulated by fossil fuel companies that are only out to make a profit and harm us.
As temperatures rise, we are now in a battle of people vs. fossil fuels. We must win—it’s a matter of life and death.
Blazes mobilized hundreds of firefighters over the weekend and scorched a total of 42,000 acres in Spain, France, and Portugal alone—an area two times the size of Manhattan.
On the heels of a deadly European heatwave, fierce fires erupted in Greece, Spain, Portugal, and France over the weekend, raising fears for a summer of extremes as the effects of the climate emergency become ever more apparent.
The blazes mobilized hundreds of firefighters and scorched a total of 42,000 acres as of Sunday in Spain, France, and Portugal alone—an area two times the size of Manhattan.
" Climate change is here, we are living the consequences and it is only the start of July," French fire service Colonel Eric Belgioino told the public, as Agence France-Presse reported.
Multiplication des #wildfire🔥(feux de forêt) ce dimanche en France.
Quatre foyers, dont trois hors de contrôle, sont désormais visibles simultanément depuis les satellites. À eux seuls, ils ont déjà parcouru l'équivalent d'environ 3.500 terrains de football. @zoom_earth pic.twitter.com/qpdrct7AmA
— Guillaume Jauseau (@GJauseau) July 5, 2026
One of the fires raging in the South of France forced organizers of the Tour de France to close the third stage of the race to the public on Monday, as Reuters reported.
The fire has consumed 6.18 square miles in Southern France and put two people in critical condition.
"An exceptional fire calls for exceptional measures for the tour," race director Christian Prudhomme said, according to Reuters.
As of Sunday, seven departments in France faced "very high risk” for fires, as temperatures were expected to reach highs of 100-104°F across the south, as Anadolu Agency reported.
🇪🇸 🔥 Firefighters tackle wildfires menacing Spanish tourist hotspot
Wildfires in Catalonia have burned over 2000 hectares of forest, prompting regional authorities to ask residents of 10 municipalities to stay at home, including in popular tourist hotspots such as the Platja… pic.twitter.com/Dal7mlAJlu
— AFP News Agency (@AFP) July 5, 2026
Across the border in Spain, a fire in Costa Brava burned through over 5,400 acres in a 48-hour period, according to AFP. The flames led to shelter-in-place or evacuation orders for nearly 50,000 people.
The Catalunya fire service said on Sunday that firefighters "worked tirelessly throughout the night to consolidate the perimeter of the La Bisbal d'Empordà forest fire, which is now stabilized."
A large wildfire near Vouzela in central Portugal spread overnight across three municipalities, burning over 2,400 hectares, injuring six people and forcing village evacuations, with nearly 1,000 firefighters and eight aircraft deployed to tackle the blaze https://t.co/GzfxgDSGiq pic.twitter.com/v5KgKj9IPt
— Reuters (@Reuters) July 3, 2026
Another blaze ignited in Portugal's central Vouzela area on Thursday.
It burned through 30,000 acres and required the work of 1,200 firefighters before it was partially contained as of Sunday.
🇬🇷🔥 Not only are Europeans dealing with deadly heat, there is also a fire threat.
Check out this video from an overnight fire in the Oreokastro area of northern Greece.
So far, 2 factories have been destroyed, and evacuations have been ordered near Thessaloniki.
Writer:…
— Mario Nawfal (@MarioNawfal) July 5, 2026
In Greece, two fires erupted on Saturday and Sunday.
The first, in the Oraiokastro suburb of the country's second-largest city of Thessaloniki, compelled evacuations and shelter-in-place orders when it overtook a recycling plant and released dangerous smoke into the air, The Associated Press reported.
“The smoke contains volatile organic compounds that irritate the eyes and throat, as well as carcinogenic substances such as benzene, dioxins, and furans,” Dimosthenis Sarigiannis, professor of environmental engineering at the Aristotle University of Thessaloniki, told ekathimerini.com.
The inferno also damaged multiple homes and businesses, Oraiokastro Mayor Pandelis Tsakiris told the country's state broadcaster.
The second blaze ignited on Sunday west of Athens, according to AP, and 210 firefighters worked hard to control it before the sun set and firefighting planes would be grounded.
The European fires follow a heatwave that scientists said would have been "virtually impossible" without climate change caused by the burning of fossil fuels, and spark concerns that the continent could see a devastating summer for fires.
French Interior Minister Laurent Nunez noted that the fire season had started one month early, according to AFP.
As fire Colonel Belgioino said: "The season is going to be long for the soldiers fighting fires. You have to help us."
"How we confront the climate crisis will determine a lot about the next 250 years of American history, including if we make it that long," one climate advocate said. "The revolution we need today is the clean energy revolution."
The US reliance on and promotion of fossil fuels is interfering with its ability to celebrate its 250th birthday, as several July 4 events were canceled due to a dangerous, record-breaking heatwave in the Central and Eastern US that scientists say would have been "virtually impossible" without the climate emergency.
As millions of people sweltered under heat alerts, extreme heat and humidity led to the cancellation of both Washington, DC and Philadelphia's Independence Day parades. Nearly 30 other events in states including Alabama, Delaware, New Jersey, New York, Pennsylvania, Maryland, and Virginia were modified, postponed, or canceled, according to USA Today.
I'm just saying, it seems like a signwww.cbsnews.com/philadelphia...
[image or embed]
— Bill McKibben (@billmckibben.bsky.social) July 3, 2026 at 1:12 PM
"The US having to cancel major 4th of July celebrations because of extreme heat is almost too spot on as a metaphor for the country’s failure to combat global warming," Fossil Free Media director Jamie Henn told Common Dreams. "How we confront the climate crisis will determine a lot about the next 250 years of American history, including if we make it that long. The revolution we need today is the clean energy revolution so we can finally declare our independence from fossil fuels."
Happy Independence Day!🇺🇸🎆
A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. 🥵
Clusters of severe thunderstorms will move across parts of the… pic.twitter.com/hz4vSz40Z4
— National Weather Service (@NWS) July 4, 2026
Temperature records were tied or broken in 22 locations on Thursday and 17 on Friday, according to CNN, with DC breaking a 120-year record on both days with temperatures above 102°F.
The heat forced the temporary closure Friday afternoon of the Great American State Fair on the National Mall, and seven attendees required "advanced life support," probably due to heat exposure, according to CNN.
Matt Rein, the Democratic National Committee's influencer and creative partnerships director, reported from the state fair on Saturday that local emergency workers said guests were "dropping like flies" due to the heat.
This is the scene here at one of the cordoned off medical area inside a main tent.
They keep having to make more space as more people are brought in.
There is no AC. https://t.co/eVVpqwHiMJ pic.twitter.com/Rmyg4YW1r2
— Matt Rein (@MatthewARein) July 4, 2026
Meanwhile, one group who tried to draw attention to the climate emergency at a July 4 event was evicted for its efforts by the US Coast Guard, as the Times Union reported. The nonprofit Hudson River Sloop Clearwater had attempted to join Saturday's Sail4th 250 parade of tall ships to New York Harbor when its sailboat was removed by the guard. The Coast Guard later said it was due to banners the boat was displaying reading, "Save the Clean Water Act” and “Indigenous rights, racial justice, climate solutions,” despite the fact that the group had the event organizer's permission to participate.
A sailboat, the Hudson River Sloop Clearwater, was removed from the Sail4th 250 Parade of Ships for displaying banners about climate justice and clean water.
Source: ig/jackiemarieburton, ig/sloopclearwater pic.twitter.com/kJoS4RLgAQ
— Dr. Lucky Tran (@luckytran) July 4, 2026
The heat dome that has settled over the Central and Eastern US over the July 4 weekend is so dangerous in part because it includes high humidity along with high heat, with heat indexes of 105-115°F expected in some places. This corresponds with a Wet Bulb Global Temperature (WBGT)—a measurement that accounts for heat, humidity, and air flow—of 28-30°C, at which point it is dangerous for even healthy people to be physically active outdoors. According to World Weather Attribution, the current heatwave broke regional records for WBGT.
"It is still a relatively rare event even in today’s climate, that has warmed by 1.4°C due to the burning of fossil fuels. In a 1.4°C cooler climate, WBGTs as high as those forecast in early July 2026 would have been so extreme as to be virtually impossible," the group wrote on Friday.
Friederike Otto, a professor of climate science at Imperial College London, told CNN, “When a historic 4th of July celebration is disrupted, and World Cup matches are played in conditions that are unsafe for players and fans, it shouldn’t take another scientific study to wake people up."
Otto continued, "Climate change is here, it’s already impacting the things we enjoy in our everyday lives, and it will continue to get worse the longer we drag out the inevitable transition to net zero emissions.”
Climate scientist and communicator Katharine Hayhoe encouraged people to use this opportunity to talk about the climate emergency to their friends and family:
Heatwaves aren't new. But I'm a climate scientist, and I can tell you heatwaves like this are virtually impossible without fossil fuel pollution. Not only that, but when extreme weather hits, research shows that connecting it to climate change helps people understand why it matters. And you know who the most trusted people to do that are? Not scientists. You! Yes, people we know are the most effective messengers to have these conversations. So if you're worried about what's happening and how extreme heat puts us at risk—talk about it!
While the US is the world's leading historical emitter of greenhouse gas emissions, and its military is the No. 1 institutional climate polluter, the Trump administration in particular has taken steps to accelerate the climate emergency by increasing oil, gas, and coal production while hindering the development of renewable energy.
"Trump’s promotion of coal burning and cancellation of wind turbines make him the Benedict Arnold of America’s current struggle, not its George Washington."
Just two days before the nation's birthday, Energy Secretary and fracking CEO Chris Wright bragged on social media that the Trump administration would end subsidies for new wind and solar on July 4.
Climate scientist Rebekah Jones shot back: "During a record heatwave, no less. Fossil fuel industries have received $549 BILLION in direct subsidies, and $7 TRILLION in tax benefits. They average $30 billion per year in upfront taxpayer money. All of renewable energy recieved $400 million per year from 1994-2009."
Tennessee state Sen. Heidi Campbell (D-20) also called out the move: "Talk about 'slugs for salt’—it's 119 degree heat index in the Eastern US this week—these guys are all in on the rapture."
In a July 4 post, scholar Juan Cole argued that President Donald Trump's climate policies were tantamount to treason.
"Since 2018, some 13,000 Americans have died from heat," he said. "Trump’s promotion of coal burning and cancellation of wind turbines make him the Benedict Arnold of America’s current struggle, not its George Washington."
Cole pointed out that the current heatwave was part of a pattern of hotter summers in the nation's capital due to the climate emergency, noting that the last decade was its hottest on record.
He continued:
The bad news is that this is only the beginning. Summers in the capital are going to be more dangerous every decade unless we halt dangerous carbon emissions.
The average summer temperature in DC could be 97°F in the 2080s if we go on farting out CO2 at our current rate. Humidity will also increase, as the Atlantic heats up and puts more water vapor in the atmosphere. The ability of the atmosphere to hold water vapor increases 7% with every 1°C increase in temperature.
That combined with more frequent storms and sea-level rise opens up the possiblity that DC "will be unlivable in the summers within the lifetime of my younger readers," he wrote.
"Trump is helping climate change accomplish what British military might could not, putting in question the future of America in places like Washington, DC and Baltimore, at least in the summers," Cole said.