A law enforcement officer watches flames leap into the air as wildfires continued to spread near Oroville, California on September 9, 2020. (Photo: Josh Edelson/AFP/Getty Images)
Sep 10, 2020
A new report and visualizations from the Union of Concerned Scientists shows how climate change is fueling more intense and an increasing number of wildfires across the western United States, concluding that better forest management and climate action are the best tools to help limit future fire risks.
"Every year, millions of acres of land are consumed by fire in the United States," the group says in a report published earlier this week. "By raising temperatures, melting snow sooner, and drying soils and forests, climate change is fueling the problem."
\u201cCalifornia's Bay Area wakes up to disorienting orange skies. By raising temperatures, melting snow sooner, and drying soils and forests, climate change is fueling #Wildfires. Here\u2019s a thread on what the science shows. https://t.co/9iqJ3y6PeJ\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
"Since 2015, the United States has experienced, on average, roughly 100 more large wildfires every year than the year before," the UCS report continues. "This changes region by region, and year to year, but generally we're seeing more wildfires, more acres burned, and longer, more intense fire seasons."
\u201cThis changes region by region, and year to year, but generally we\u2019re seeing more wildfires, more acres burned, and longer, more intense fire seasons.\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
The report highlights the human and economic costs of worsening wildfires, noting that "between 2014 and 2018 the federal government spent an average of $2.4 billion fighting fires every year." That's more than twice as much as was spent on firefighting two decades earlier.
\u201cThey're also expensive. Between 2014 and 2018, the federal government spent an average of $2.4 billion fighting wildfires every year. Even when adjusted for inflation, that\u2019s more than twice what we spent 20 years earlier (1994-1998).\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
Then there's the climate cost. "As the forests burn, they release carbon dioxide and other global warming gases, worsening climate change," according to UCS. "As wildfires burn more land, emissions go up."
While fires have always been a part of the natural landscape, "warmer temperatures increase the likelihood that fires will burn more intensely [and] also cause snow to melt sooner, and lead to drier soils, forests, and plants, which act as kindling."
"Increased droughts, unusual rain patterns, and insect outbreaks that lead to large stands of dead trees are also connected with climate change--and they all make wildfires more likely," the report continues.
\u201cWarmer temps increase the likelihood that fires will burn more intensely. They also cause snow to melt sooner and lead to drier soils & forests which act as kindling. Increased droughts and insect outbreaks that lead to large stands of dead trees all make wildfires more likely.\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
Ironically, the report says that fire suppression efforts are contributing to worsening wildfires.
"Forests historically evolved with frequent, low-intensity fires that removed underbrush, debris, and fallen timber," it states. "This allowed for larger trees and made massive fires much less common."
"But for the past century, almost all fires have been suppressed, even small ones," it adds. "This has allowed forests to maintain denser growth and more potential fuel, leading to larger and more intense wildfires."
The report says that while "ecologically sound fire management could help limit fire risks" in the near term, "in the long term, climate action is the best tool we have."
"When we reduce global warming emissions, we slow the growth of climate risks, including wildfire," the report concludes. "Until then, summers will continue getting hotter, forests will get drier, and more and more people will face the threat of wildfire."
The UCS report comes amid worsening wildfires not only in North America, but around the world. In the western U.S., entire towns in Oregon have been destroyed by the ferocious conflagrations, and the death toll from California fires--some of the biggest of which are burning completely out of control--rose to at least seven on Thursday, a day after smoke from the infernos turned skies an apocalyptic shade of orange in the San Francisco Bay Area.
\u201cFrom top left, clockwise: Brazil, Greece, Bulgaria, Argentina.\n\nYour Twitter feed may be saturated with orange skies in California, but unprecedented, fossil-fueled wildfire is wreaking havoc on humans across the globe.\n\nhttps://t.co/Xw64KhEJsd\u201d— Emily Atkin (@Emily Atkin) 1599743569
\u201cUPDATE: At least 7 people have been killed by wildfires across California, Oregon and Washington, including 2 children.\n\nThere are about 100 fires burning across the 3 states:\n\u25aa\ufe0f OR: boy, 12, found dead inside a burned car\n\u25aa\ufe0f WA: 1-year-old killed as family tried to escape\u201d— AJ+ (@AJ+) 1599740352
\u201cScenes from around San Francisco where dark orange skies are still blanketing the city and region. \n\nThis apocalyptic hue is due to a combination of smoke from various wildfires sitting above the marine fog layer. More here on @sfchronicle https://t.co/eChDMsLZLs\u201d— Jessica Christian (@Jessica Christian) 1599678843
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A new report and visualizations from the Union of Concerned Scientists shows how climate change is fueling more intense and an increasing number of wildfires across the western United States, concluding that better forest management and climate action are the best tools to help limit future fire risks.
"Every year, millions of acres of land are consumed by fire in the United States," the group says in a report published earlier this week. "By raising temperatures, melting snow sooner, and drying soils and forests, climate change is fueling the problem."
\u201cCalifornia's Bay Area wakes up to disorienting orange skies. By raising temperatures, melting snow sooner, and drying soils and forests, climate change is fueling #Wildfires. Here\u2019s a thread on what the science shows. https://t.co/9iqJ3y6PeJ\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
"Since 2015, the United States has experienced, on average, roughly 100 more large wildfires every year than the year before," the UCS report continues. "This changes region by region, and year to year, but generally we're seeing more wildfires, more acres burned, and longer, more intense fire seasons."
\u201cThis changes region by region, and year to year, but generally we\u2019re seeing more wildfires, more acres burned, and longer, more intense fire seasons.\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
The report highlights the human and economic costs of worsening wildfires, noting that "between 2014 and 2018 the federal government spent an average of $2.4 billion fighting fires every year." That's more than twice as much as was spent on firefighting two decades earlier.
\u201cThey're also expensive. Between 2014 and 2018, the federal government spent an average of $2.4 billion fighting wildfires every year. Even when adjusted for inflation, that\u2019s more than twice what we spent 20 years earlier (1994-1998).\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
Then there's the climate cost. "As the forests burn, they release carbon dioxide and other global warming gases, worsening climate change," according to UCS. "As wildfires burn more land, emissions go up."
While fires have always been a part of the natural landscape, "warmer temperatures increase the likelihood that fires will burn more intensely [and] also cause snow to melt sooner, and lead to drier soils, forests, and plants, which act as kindling."
"Increased droughts, unusual rain patterns, and insect outbreaks that lead to large stands of dead trees are also connected with climate change--and they all make wildfires more likely," the report continues.
\u201cWarmer temps increase the likelihood that fires will burn more intensely. They also cause snow to melt sooner and lead to drier soils & forests which act as kindling. Increased droughts and insect outbreaks that lead to large stands of dead trees all make wildfires more likely.\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
Ironically, the report says that fire suppression efforts are contributing to worsening wildfires.
"Forests historically evolved with frequent, low-intensity fires that removed underbrush, debris, and fallen timber," it states. "This allowed for larger trees and made massive fires much less common."
"But for the past century, almost all fires have been suppressed, even small ones," it adds. "This has allowed forests to maintain denser growth and more potential fuel, leading to larger and more intense wildfires."
The report says that while "ecologically sound fire management could help limit fire risks" in the near term, "in the long term, climate action is the best tool we have."
"When we reduce global warming emissions, we slow the growth of climate risks, including wildfire," the report concludes. "Until then, summers will continue getting hotter, forests will get drier, and more and more people will face the threat of wildfire."
The UCS report comes amid worsening wildfires not only in North America, but around the world. In the western U.S., entire towns in Oregon have been destroyed by the ferocious conflagrations, and the death toll from California fires--some of the biggest of which are burning completely out of control--rose to at least seven on Thursday, a day after smoke from the infernos turned skies an apocalyptic shade of orange in the San Francisco Bay Area.
\u201cFrom top left, clockwise: Brazil, Greece, Bulgaria, Argentina.\n\nYour Twitter feed may be saturated with orange skies in California, but unprecedented, fossil-fueled wildfire is wreaking havoc on humans across the globe.\n\nhttps://t.co/Xw64KhEJsd\u201d— Emily Atkin (@Emily Atkin) 1599743569
\u201cUPDATE: At least 7 people have been killed by wildfires across California, Oregon and Washington, including 2 children.\n\nThere are about 100 fires burning across the 3 states:\n\u25aa\ufe0f OR: boy, 12, found dead inside a burned car\n\u25aa\ufe0f WA: 1-year-old killed as family tried to escape\u201d— AJ+ (@AJ+) 1599740352
\u201cScenes from around San Francisco where dark orange skies are still blanketing the city and region. \n\nThis apocalyptic hue is due to a combination of smoke from various wildfires sitting above the marine fog layer. More here on @sfchronicle https://t.co/eChDMsLZLs\u201d— Jessica Christian (@Jessica Christian) 1599678843
A new report and visualizations from the Union of Concerned Scientists shows how climate change is fueling more intense and an increasing number of wildfires across the western United States, concluding that better forest management and climate action are the best tools to help limit future fire risks.
"Every year, millions of acres of land are consumed by fire in the United States," the group says in a report published earlier this week. "By raising temperatures, melting snow sooner, and drying soils and forests, climate change is fueling the problem."
\u201cCalifornia's Bay Area wakes up to disorienting orange skies. By raising temperatures, melting snow sooner, and drying soils and forests, climate change is fueling #Wildfires. Here\u2019s a thread on what the science shows. https://t.co/9iqJ3y6PeJ\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
"Since 2015, the United States has experienced, on average, roughly 100 more large wildfires every year than the year before," the UCS report continues. "This changes region by region, and year to year, but generally we're seeing more wildfires, more acres burned, and longer, more intense fire seasons."
\u201cThis changes region by region, and year to year, but generally we\u2019re seeing more wildfires, more acres burned, and longer, more intense fire seasons.\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
The report highlights the human and economic costs of worsening wildfires, noting that "between 2014 and 2018 the federal government spent an average of $2.4 billion fighting fires every year." That's more than twice as much as was spent on firefighting two decades earlier.
\u201cThey're also expensive. Between 2014 and 2018, the federal government spent an average of $2.4 billion fighting wildfires every year. Even when adjusted for inflation, that\u2019s more than twice what we spent 20 years earlier (1994-1998).\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
Then there's the climate cost. "As the forests burn, they release carbon dioxide and other global warming gases, worsening climate change," according to UCS. "As wildfires burn more land, emissions go up."
While fires have always been a part of the natural landscape, "warmer temperatures increase the likelihood that fires will burn more intensely [and] also cause snow to melt sooner, and lead to drier soils, forests, and plants, which act as kindling."
"Increased droughts, unusual rain patterns, and insect outbreaks that lead to large stands of dead trees are also connected with climate change--and they all make wildfires more likely," the report continues.
\u201cWarmer temps increase the likelihood that fires will burn more intensely. They also cause snow to melt sooner and lead to drier soils & forests which act as kindling. Increased droughts and insect outbreaks that lead to large stands of dead trees all make wildfires more likely.\u201d— Union of Concerned Scientists (@Union of Concerned Scientists) 1599758142
Ironically, the report says that fire suppression efforts are contributing to worsening wildfires.
"Forests historically evolved with frequent, low-intensity fires that removed underbrush, debris, and fallen timber," it states. "This allowed for larger trees and made massive fires much less common."
"But for the past century, almost all fires have been suppressed, even small ones," it adds. "This has allowed forests to maintain denser growth and more potential fuel, leading to larger and more intense wildfires."
The report says that while "ecologically sound fire management could help limit fire risks" in the near term, "in the long term, climate action is the best tool we have."
"When we reduce global warming emissions, we slow the growth of climate risks, including wildfire," the report concludes. "Until then, summers will continue getting hotter, forests will get drier, and more and more people will face the threat of wildfire."
The UCS report comes amid worsening wildfires not only in North America, but around the world. In the western U.S., entire towns in Oregon have been destroyed by the ferocious conflagrations, and the death toll from California fires--some of the biggest of which are burning completely out of control--rose to at least seven on Thursday, a day after smoke from the infernos turned skies an apocalyptic shade of orange in the San Francisco Bay Area.
\u201cFrom top left, clockwise: Brazil, Greece, Bulgaria, Argentina.\n\nYour Twitter feed may be saturated with orange skies in California, but unprecedented, fossil-fueled wildfire is wreaking havoc on humans across the globe.\n\nhttps://t.co/Xw64KhEJsd\u201d— Emily Atkin (@Emily Atkin) 1599743569
\u201cUPDATE: At least 7 people have been killed by wildfires across California, Oregon and Washington, including 2 children.\n\nThere are about 100 fires burning across the 3 states:\n\u25aa\ufe0f OR: boy, 12, found dead inside a burned car\n\u25aa\ufe0f WA: 1-year-old killed as family tried to escape\u201d— AJ+ (@AJ+) 1599740352
\u201cScenes from around San Francisco where dark orange skies are still blanketing the city and region. \n\nThis apocalyptic hue is due to a combination of smoke from various wildfires sitting above the marine fog layer. More here on @sfchronicle https://t.co/eChDMsLZLs\u201d— Jessica Christian (@Jessica Christian) 1599678843
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