Arizona

The combination of groundwater pumping and warmer temperatures is shrinking aquifers and lowering water tables in Arizona.

It has survived invasive predators, too-cold water, poisoning, electro-shocks, and a ginormous dam. Still, the chub persists.

A new study shows that sedimentation from the Colorado River means that Lake Powell's storage capacity is lower than previously believed.

A warming climate has been linked to human activity around the world, and has affected the Colorado River System as well. The impacts are substantial, from reduced water flows, threats to indigenous species and the influx of new invasive species along the river system.

Arizona’s powerful will to grow is challenged by extreme heat, deep drought, and serious water-related stress.

Chuck Cullom discusses the Upper Basin's five-point plan, water cut-offs and who IS responsible for water losses.

Years of drought, upstream diversions and impoundments, and an overly optimistic forecast of Colorado River flows, have sapped the river once literally called Grand.

As the Colorado River withers, a rubber company tries to persuade Arizona farmers to grow a latex-producing crop that’s adapted to arid conditions.

In Arizona, finding water in the wilderness means discovering a source of life. 

By Kurt Repanshek, National Parks Traveler By mid-century, annual runoff into the Colorado River could be reduced by nearly a third as declining snowpack leads to greater evaporation of snowmelt,...