--- title: Climate Change: Forest Fires Increased by Global Warming description: Climate change has doubled the total area burned by forest fires in the Western U.S. in the past three decades, according to research canonical: https://time.com/4525178/climate-change-forest-fires/ author: Justin Worland article:opinion: false article:content_tier: free article:published_time: 2016-10-10T20:27:55.000Z article:modified_time: 2026-02-23T01:06:27.574Z article:section: Science og:title: Climate Change Doubled the Size of Forest Fires in Western U.S., Study Says og:description: Climate change has doubled the total area burned by forest fires in the Western U.S. in the past three decades, according to research og:url: https://time.com/4525178/climate-change-forest-fires/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt7dfc60069fcdf17c/6988a96d97cdff40676ae1ef/climate-change-forest-fire.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 3449 og:image:height: 1940 og:image:alt: climate change forest fire og:type: article twitter:card: summary_large_image twitter:title: Climate Change Doubled the Size of Forest Fires in Western U.S., Study Says twitter:description: Climate change has doubled the total area burned by forest fires in the Western U.S. in the past three decades, according to research twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt7dfc60069fcdf17c/6988a96d97cdff40676ae1ef/climate-change-forest-fire.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Climate Change Doubled the Size of Forest Fires in Western U.S., Study Says > Sponsored content. 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Future Proof is free at time.com/newsletters.  by [Justin Worland](https://time.com/author/justin-worland/)  ## Justin Worland Senior Correspondent Oct 10, 2016 8:27 PM UTC  Fire in Mediterranean region Fire in Mediterranean region Miguel Sotomayor—Getty Images  by [Justin Worland](https://time.com/author/justin-worland/)  ## Justin Worland Senior Correspondent Oct 10, 2016 8:27 PM UTC Man-made climate change has doubled the total area burned by forest fires in the Western U.S. in the past three decades, according to new [research](http://www.pnas.org/cgi/doi/10.1073/pnas.1607171113). Damage from forest fires has [risen dramatically](http://time.com/3959260/climate-change-wildfires/) in recent decades, with the total acres burned in the U.S. rising from 2.9 million in 1985 to 10.1 million in 2015, according to National Interagency Fire Center [data](https://www.nifc.gov/fireInfo/fireInfo%5Fstatistics.html). Suppression costs paid by the federal government now top $2 billion. Now a new study, published in the journal _Proceedings of the National Academy of Sciences,_ has found that a significant portion of the increase in land burned by forest fires can be attributed to man-made climate change. Other factors are also at play, including natural climate shifts and a change in how humans use land, but man-made climate change has had the biggest impact. That trend will likely continue as temperatures keep rising, researchers said. “No matter how hard we try, the fires are going to keep getting bigger, and the reason is really clear,” says study author Park Williams, a Columbia University researcher. “We should be getting ready for bigger fire years than those familiar to previous generations.” Climate change contributes to forest fires in a [number of ways](http://time.com/3959260/climate-change-wildfires/). Fires kill off trees and other plants that eventually dry and act as the fuel to feed massive wildfires. Global warming also increases the likelihood of the dry, warm weather in which wildfires can thrive. Average temperatures in the Western U.S. rose by 2.5°F since 1970, outpacing [temperature rise elsewhere](http://time.com/4261719/february-heat-records-climate-change/) on the globe, according to the research. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/4525178/climate-change-forest-fires/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/4525178/climate-change-forest-fires/"},"headline":"Climate Change Doubled the Size of Forest Fires in Western U.S., Study Says","datePublished":"2016-10-10T20:27:55.000Z","dateModified":"2026-02-23T01:06:27.574Z","description":"\"No matter how hard we try, the fires are going to keep getting bigger\"","url":"https://time.com/4525178/climate-change-forest-fires/","keywords":["climate change"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt7dfc60069fcdf17c/6988a96d97cdff40676ae1ef/climate-change-forest-fire.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Justin Worland","jobTitle":"Senior Correspondent","url":"https://time.com/author/justin-worland/"}],"articleSection":"Science","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt7dfc60069fcdf17c/6988a96d97cdff40676ae1ef/climate-change-forest-fire.jpeg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"climate change forest fire","caption":"climate change forest fire","creditText":"Miguel Sotomayor—Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/science/","name":"Science"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/climate-change/","name":"climate change"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/4525178/climate-change-forest-fires/","name":"Climate Change Doubled the Size of Forest Fires in Western U.S., Study Says"}}]}] ```