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Climate change is pushing California’s already volatile climate towards greater extremes. Over the past decade, record droughts, floods, wildfires, and extreme heat events have threatened communities across the state. The California Resilience Challenge is a statewide effort, led by businesses and a diverse range of partners, to build local climate resilience and support a shared vision for a resilient California in the face of increasing climate threats.

Climate change is causing California’s already volatile climate to produce increasingly extreme droughts, floods, heatwaves, and wildfires.


Five of the six largest wildfires in state history burned simultaneously in 2021 as wildfires burned a record 4 million acres.


California is once again in a drought emergency, and state officials estimate the Sierra snow pack, the source for over one-third of California’s water, will shrink up to 65 percent by 2100.


Sea levels are projected to rise between 7-23 inches by 2050, and more extreme storms will cause inland flooding.


August 2020 was the hottest month in state history and saw the hottest temperature ever recorded on the surface of the earth, threatening vulnerable populations.