The number of thunderstorms in Alaska may triple by later this century because of climate change, increasing the risks of widespread flash flooding, landslides, and lightning-induced wildfires.

Ozone in the lower atmosphere fell by 7% on average across the Northern Hemisphere, new research finds.

As snowpack in the Rocky Mountains declines with climate change, a new study warns that summertime rains are unlikely to significantly bolster stream levels.

The lockdowns and reduced societal activity related to the COVID-19 pandemic affected emissions of pollutants in ways that slightly warmed the planet for several months last year, according to new research led by NCAR.

NCAR's next supercomputer will advance Earth system science and help researchers better understand a range of phenomena that affect society.