New normals: The Southwest has grown hotter and drier over the past decade, data shows

The Southwest has grown hotter and drier during the past decade, and new climate data from the federal government shows these changes have been dramatic, shifting the long-term averages that represent the region’s “normal.”

Arizona is ready to deal with a water shortage ... except for one thing

Opinion: Arizona has plans in place to lessen the pain of a Colorado River shortage. But a key component - wells for farmers - remains highly uncertain.

Drought intensifies forcing rationing of Colorado River water

The US Bureau of Reclamation last week warned water users to brace for a 500,000 acre-foot cut in water from the Colorado River as a historic drought continues to tighten its grip on the Southwest.

Drought intensifies forcing rationing of Colorado River water

The US Bureau of Reclamation last week warned water users to brace for a 500,000 acre-foot cut in water from the Colorado River as a historic drought continues to tighten its grip on the Southwest.

Interstate water wars are heating up along with the climate

Interstate water disputes are as American as apple pie. States often think a neighboring state is using more than its fair share from a river, lake or aquifer that crosses borders.

Arizona’s historic drought won’t be fixed in single strong monsoon season

Climate experts say drought conditions in Arizona are the type usually only seen once or twice in a century and one season of rain won’t fix it.