The California fires erupted amid extremely dry conditions. UCLA scientists say extreme heat linked to climate change was a factor in the fires' intensity.

Climate change didn’t start the wildfires that are ravaging Los Angeles County this week. But the big swings in weather patterns that have accelerated over the past two decades serve as rocket fuel that intensifies the flames and spreads the devastation.

The fires that have engulfed Los Angeles cap the hottest decade in history. Each year in the last ten was record-warm, but 2024 was the warmest ever recorded. Last year, Earth was 1.6C hotter than the temperature