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"We felt we needed a physical space where we could grieve together for what we are losing, and reflect on how to respond to the challenge now in front of us," said Alex Martin of Extinction Rebellion Cambridge.
Extinction Rebellion and other climate organizations on Saturday held a funeral for the Paris agreement's 1.5ºC temperature target in Cambridge, England.
"The mock funeral idea grew out of the need to process the enormity and sadness of this moment," Alex Martin of Extinction Rebellion (XR) Cambridge said in a statement. "While many people are distracted by 1,001 things on their phones, we felt we needed a physical space where we could grieve together for what we are losing, and reflect on how to respond to the challenge now in front of us."
Almost a decade ago, parties to the Paris treaty agreed to work toward limiting temperature rise this century to 1.5ºC—but 2024 was the hottest year in human history, and countries around the world show no signs of reining in planet-wrecking fossil fuels anywhere near the degree that scientists warn is necessary to prevent catastrophic climate breakdown.
"Crossing 1.5ºC for a whole calendar year is a wake-up call for the world," said Olympic gold medalist and XR U.K. spokesperson Etienne Stott, highlighting another alarming record from last year. "If we want to avoid crossing further tipping points we need a complete transformation of society."
Extinction Rebellion and other climate groups held a funeral for the Paris agreement's 1.5°C temperature target in Cambridge, England on May 10, 2025. (Photo: Derek Langley)
Scientists from universities in the United Kingdom and Germany warned in a peer-reviewed paper published in the journal Earth System Dynamics last month that humankind is at risk of triggering various climate tipping points absent urgent action to dramatically reduce emissions from fossil fuels.
"There are levers policymakers can pull to rapidly phase out fossil fuels, but this requires standing up to powerful interests," Stott said Saturday. "Activists need to build power, resilience, and the world we want to see in our communities; but we also need to keep seeking the spark that will cause the worldwide transformation we need to see."
In addition to the Cambridge and U.K. arms of Extinction Rebellion, Saturday's action was organized by Cambridge Greenpeace, Cambridge Stop the War, and the Organization of Radical Cambridge Activists (ORCA).
Varsity, the independent student newspaper at the University of Cambridge, reported that the marchers "rallied at Christ's Pieces, where they heard from one of the organizers, who emphasised the harm caused by exceeding 1.5ºC of warming."
"The march then proceeded up Christ's Lane and down Sidney Street, led by a group of 'Red Rebels,' dressed in red robes with faces painted white, followed by 'pall bearers' carrying coffins painted black, with the words 'Inaction Is Death' in white," according to Varsity. "The procession was completed by a samba band who drummed as they walked, followed by protesters carrying a large sign reading 'Don't silence the science,' along with many other smaller placards."
Members of the "Red Rebel Brigade" led a procession around Cambridge, England as part of a funeral for the Paris agreement's 1.5°C temperature target on May 10, 2025. (Photo: Derek Langley)
Photos from organizers show participants displaying banners with messages such as "No Future on a Dead Planet," and additional messages painted on the black coffins: "1.5ºC Is Dead," "Act Now," "Ecocide," "RIP Earth," and "Web of Life."
"Politicians have broken their promises to keep global temperature rises to a livable 1.5ºC," declared Zoe Flint, a spokesperson for XR Cambridge. "For decades, people around the world have been resisting environmental devastation in their own communities and beyond—often facing state repression and violence as a result."
"With dozens of political protesters now in prison in this country, that repression has come to the U.K. too," Flint noted. "But when those least responsible for climate breakdown suffer the worst effects, we can't afford to give up the fight."
Parties to the Paris agreement are set to gather next in November at the United Nations climate summit, COP30, in Belém, Brazil.
"It's the first time in history that it's more likely than not that we will exceed 1.5°C," said a co-author of a new U.N. report.
Naturally-occurring El Niño events have resulted in hotter global temperatures for thousands of years, but a United Nations agency warned Tuesday that the warming trend that scientists expect to form in the coming months will be intensified by heat-trapping greenhouse gas emissions—likely resulting in an average global temperature that's more than 1.5°C above pre-industrial levels for at least a year.
"A warming El Niño is expected to develop in the coming months and this will combine with human-induced climate change to push global temperatures into uncharted territory," said Prof. Petteri Taalas, secretary-general of the World Meteorological Organization (WMO), as the agency released its Global Annual to Decadal Climate Update ahead of the El Niño Southern Oscillation (ENSO) event.
A global average temperature that exceeds 1.5°C above pre-industrial levels would mean that the planet temporarily grows hotter than the limit specified by the Paris climate agreement.
The WMO report says there is a 66% chance that the annual average global temperature will exceed 1.5°C above pre-industrial levels for at least one year between 2023 and 2027.
"It's the first time in history that it's more likely than not that we will exceed 1.5°C," Adam Scaife of the U.K.'s Met Office, who worked on the report, toldReuters.
As Common Dreams reported Monday, climate scientists are currently observing trends in the Pacific Ocean that appear "very much like the 1997 and 2015 early stages of a Super El Niño," in which very high temperatures would be recorded near the equator.
El Niño events occur roughly every five years, and the one that appears to be forming now is likely to make at least one of the next five years the warmest on record. The El Niño event that occurred in 2016 contributed to 2016, 2019, and 2020 being the hottest years on record so far.
The WMO report said there is a 98% chance that the upcoming five-year period as a whole will be the warmest in recorded history. There is a 32% likelihood that the five-year mean temperature will exceed the 1.5°C threshold.
Although the breach of the 1.5°C limit is expected to be temporary, Taalas warned that this El Niño event could signal a new pattern.
"This report does not mean that we will permanently exceed the 1.5°C level specified in the Paris Agreement which refers to long-term warming over many years. However, WMO is sounding the alarm that we will breach the 1.5°C level on a temporary basis with increasing frequency,” said Taalas. "This will have far-reaching repercussions for health, food security, water management, and the environment. We need to be prepared."
Scientists and heat experts have begun calling on officials to prepare communities with cooling stations, access to air conditioning equipment, and other measures to cope with the hot weather El Niño is expected to bring.
Prior to 2015, the chance of the annual global average temperature crossing the 1.5°C threshold was "close to zero," according to the WMO. Between 2017 and 2021, scientists recorded a 10% chance.
\u201cChance of temporarily exceeding 1.5\u00b0C global warming: \n\n\ud83d\udfe2 2015 \u2248 0% \n\n\ud83d\udfe1 2017-2021 \u2248 10%\n\n\ud83d\udfe0 2023-2027 \u2248 66%\n\nToday's @WMO report shows we must accelerate action this decade to avoid the worst impacts of #ClimateChange.\u201d— UN Climate Change (@UN Climate Change) 1684333323
"Global mean temperatures are predicted to continue increasing, moving us away further and further away from the climate we are used to," said Dr. Leon Hermanson, a Met Office scientist who led the report.
The report noted that warming in the Arctic is "disproportionately high," which has threatened the collapse of a crucial ocean current system and disrupted weather patterns in the northern hemisphere.
Climate writer Andy Rowell called the WMO's report both "heartbreakingly terrifying and predictable" as the fossil fuel industry and policymakers refuse to heed the warnings of scientists and energy experts, who say the continued extraction of oil and gas have no place on a pathway to avoiding the 1.5°C warming limit.
\u201cHeart-breakingly terrifying and predictable at the same time, but Big Oil just keeps on ignoring the science and drilling your future away. #ClimateEmergency \n\nhttps://t.co/glv9Y3Pyyc\u201d— Andy Rowell (@Andy Rowell) 1684320614
"In order to be equipped for a warmer world, we have to anticipate changes, get the affected parties on board, and take advantage of local knowledge," said one researcher.
Scientists at the University of Hamburg in Germany argued Wednesday that meeting the 2015 Paris climate agreement's goal of limiting planetary heating to 1.5°C is "currently not plausible"—but warned that despairing over climate "tipping points" risks taking attention away from "the best hope for shaping a positive climate future... the ability of society to make fundamental changes."
The Hamburg Climate Futures Outlook assessed the planetary impacts of several "physical processes that are frequently discussed as tipping points." These include the melting of sea ice in the Arctic and glaciers at the North and South Poles; the weakening of the Atlantic Meridional Overturning Circulation (AMOC), the system of ocean currents that carries warm water upward into the North Atlantic; and "dieback" in the Amazon rainforest, in which rising temperatures would dry out trees and eventually change the forest landscape into a savanna, releasing billions of tons of stored carbon.
Those scenarios "are serious developments," said researchers at the university, but the melting of ice "will have very little influence on the global temperature until 2050." The weakening of AMOC and Amazon dieback will have a "moderately" greater influence on global temperatures.
"Human agency has a large potential to shape the way climate futures will evolve."
"By extrapolating current trends," reads the study, "permafrost thaw and Amazon Forest dieback are expected to release somewhat more than one year's worth of today's anthropogenic CO2 emissions between now and 2050. Thus, the contributions of these two processes to the remaining carbon budget are small. Since both will only moderately affect the global surface temperature, we deduce that they also only moderately inhibit the plausibility of attaining the Paris agreement temperature goals."
Such tipping points "could drastically change the conditions for life on Earth," but for experts, progressive politicians, and campaigners who share the goal of limiting planetary warming to 1.5°C—or as close to that as possible—"they're largely irrelevant," said Jochem Marotzke, a study co-author and professor at the university's Cluster of Excellence "Climate, Climatic Change, and Society" (CLICCS).
In other words, The Hillexplained, "Keeping global warming below 1.5°C—the goal set in the Paris agreement—is implausible for social reasons, not technical ones."
The researchers also examined 10 "drivers of social change" including media, United Nations climate policies, transnational initiatives, climate regulations, climate litigation, knowledge production, consumption patterns, corporate responses, fossil fuel divestment, and climate and social movements like the global Fridays for Future movement and Extinction Rebellion.
\u201cTo analyze the scenario, we assess 10 social drivers and 6 physical processes using our integrated CLICCS Plausibility Assessment Framework.\u201d— CEN Uni Hamburg (@CEN Uni Hamburg) 1675248518
With fossil fuel companies continuing to make long-term investments in oil and gas extraction even as they announce pledges to reach net-zero carbon emissions, and rampant consumption of carbon-intensive goods showing no sign of slowing down, the study says, corporate responses and consumption patterns "continue to undermine the pathways to decarbonization, let alone deep decarbonization."
A number of social drivers including social movements, climate regulations, and fossil fuel divestment were found to currently "support decarbonization, but not deep decarbonization by 2050," which is needed to attain the 1.5°C goal.
"There are promising reforms underway, especially at the E.U. level," reads the report, adding that "general and ongoing public interest in and focus on climate policies" is an "enabling condition" that could help strengthen global movements and ramp up pressure on policymakers.
The researchers' assessment of the 10 social drivers demonstrates "that human agency has a large potential to shape the way climate futures will evolve," tweeted CLICCS. "However, human agency is strongly shaped by injustices and social inequalities, which inhibit social dynamics toward deep decarbonization by 2050."
The study identified how human actions can help shift the current trajectory "toward deep decarbonization," including:
"In order to be equipped for a warmer world, we have to anticipate changes, get the affected parties on board, and take advantage of local knowledge," said Anita Engels of the Center for Earth System Research and Sustainability at University of Hamburg. "Instead of just reacting, we need to begin an active transformation here and now."