Al Roker talks to climate scientist Alexander Gershunov about the conditions that made the L.A. wildfires so devastating.

It’s tiny, it’s silver and it’s at the center of a decades-long controversy over California’s water system. It’s the delta smelt. This threatened fish lives exclusively in the Sacramento-San Joaquin ...

Young people suing EPA over climate change say President Donald Trump’s executive order promoting fossil fuel production ...

The wildfires in California serve as a striking reminder of the urgent climate challenges we face globally. Are we doing ...

California's levees are a crucial part of its infrastructure, but many of them are in poor condition and not well-maintained, leaving them vulnerable to failure in the event of heavy rainfall or ...

California's wildfires underscore the urgent climate crisis. The Trump administration's rollback of climate policies ...

Republicans blamed “overregulation” for the deadly blazes. Democrats pointed to weather factors related to climate change.

NBC News’ Al Roker sits down with climate scientist Alexander Gershunov to explain the climate drivers that helped fuel the ...

Judge Wright (C.D. Cal.) has significantly narrowed the Chamber of Commerce's lawsuit challenging California's climate ...

With 2025 being ushered in by the most devastating natural disaster in U.S. history, and the Trump administration retreating ...

A quick scientific study finds that human-caused climate change increased the likelihood and intensity of the hot, dry and ...