Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

Similar plant transitions are also occurring across other fire-prone habitat, like Southern California’s chaparral and Colorado’s forests. So climate change has increased fire risk in both ...

California is opening up its track-and-field championship to more girls after a transgender athlete drew controversy for ...

Climate change could be helping the flesh-eating screwworm fly spread, undoing decades of progress — and the USDA isn’t doing ...

As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using ...

A digital queueing system at busy ports could reduce traffic jams and lower the maritime shipping industry's carbon emissions ...

The first tropical storm of the season is expected to form later this week. Forecasters said that a tropical depression was projected to form in the eastern Pacific, around several hundred miles south ...

A proactive strategy integrates advanced technology, predictive modeling, data-driven decision-making and adaptive ...

Despite being known as liberal bastions, the Pacific Northwest states have added only 1 renewable project over the last 10 ...

Much of the oceanfront village’s historic and highly sought-after core has been redefined by the state as a high-risk fire zone.

Extreme heat is the deadliest form of extreme weather in the United States, causing more deaths than any other weather ...