Salt Creek in Death Valley, California. A new analysis reveals that rivers in arid landscapes are helping to soak up more carbon dioxide than previously thought. “Rivers are one of the most uncertain ...

Decades-old oil drilling may still be impacting rivers and streams today, with researchers finding biodiversity declines tied to wells.

An aerial view of the rust-colored Kutuk River in Gates of the Arctic National Park in Alaska. Thawing permafrost is exposing minerals to weathering, increasing the acidity of the water, which ...