Fire season in California is indeed starting earlier and lasting longer in virtually every region of California than it did two decades ago, researchers have found, thanks largely to human-caused climate change.

California’s main wildfire season is starting earlier in the year, and human-caused climate change is a major reason, new research finds. The onset of summertime fire activity in large parts of the state has crept into spring by up to two months since the early 1990s,

Researchers conclusively link hotter, drier conditions from climate change to earlier wildfire seasons in California.