Following the removal of four dams from the Klamath River, which flows through California and Oregon, a group of young indigenous people are paddling from source to sea.

Fentanyl-sniffing sensor outperforms dogs at border, detecting airborne drugs in seconds with pinpoint accuracy.

Actions by the Trump administration are putting wildfire response, water resources, natural lands and clean energy efforts in ...

Whitewater rafters portaged a boat for 16 miles beside the Kern River, protesting the removal of water for a hydropower plant ...

Experts say climate change is making extreme weather events more frequent and severe, but that our attitudes and actions ...

California legislators re-introduced the Border Water Quality Restoration and Protection Act, an effort to address Tijuana ...

Chantal arrived in central North Carolina, bringing more than 10 inches of rainfall and massive flooding to parts of the ...

The combined effects of climate change and air pollution have led to direct declines in precipitation in the U.S. Southwest, ...

Scores of rescuers searched Saturday for children from a girls' camp and many others who were still missing after a powerful ...

As deaths from Texas flooding rise, local officials in one county have still revealed little about what, if any, actions they took to safeguard residents, tourists and visitors.