Climate change made California wildfires more severe


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Smoke looms over homes in California during the Solano fire of 2013. (Robert Couse-Baker/flickr)
Jenna Ladd| October 13, 2017

A report published on Thursday in the Massachusetts Institute of Technology (MIT) Technology Review stated that human-induced climate change is likely to blame for the nearly two dozen wildfires ripping across northern California.

The wildfires have burned nearly 190,000 acres so far and killed 31 residents. While the source of the initial flames remains unknown, MIT points out that parts of California recently experienced a five-year drought which was “very likely” caused by climate change. The long drought left more than 100 million dead trees in its wake, which added to the amount of fuel available to this week’s wildfires. Couple that with record-setting heat in California this summer, another consequence of a changing climate, and conditions were perfect for fire.

Climate change is impacting the frequency and intensity of wildfires across the country. Since the 1980’s they’ve become more likely and more severe. According to the Union of Concerned Scientists, wildfires now last five times as long, occur nearly four times as often and burn an average of six times more land area than they used to.

Park Williams, a bioclimatologist at Columbia University, recently published a study looking at the impact of human-induced climate change on the size of the area wildfires have burned the western U.S. Referring to climate change, he said, “No matter how hard we try, the fires are going to keep getting bigger, and the reason is really clear.”

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