Issues

As severe water scarcity becomes an increasingly real and dire prospect for Arizona, looking south to Sonora offers important insight.

Restoring natural infrastructure, such as beaver habitat and the wetlands it creates, could shield communities from damaging floods, remove toxins and high sediment loads from water, and reduce the apocalyptic effects of megafires.

The Santa Cruz River may be dry but it has come alive with people who are making a seasonal river cleanup a community conservation tradition in Tucson.

Pitkin County is making beavers a top priority, funding measures that may eventually restore North America’s largest rodent to the Roaring Fork watershed.

Southwestern Colorado’s Blue Mesa Reservoir, drained by years of drought and a major release of water designed to aid a plummeting Lake Powell, is experiencing a rebirth this summer.

California’s Salton Sea offers a tableau of dead wildlife, toxic dust, and neglect. It was long in the making.

Decades of climate change-driven drought, combined with the overpumping of aquifers, is making the valley desperately dry — and appears to be intensifying the levels of heavy metals in drinking water.

40 million people rely on the Colorado River system for water and power. But after 20 years of drought, the river basin is running low. For the Water Desk,...

The proposed Copper World Complex mine is carving roads and berms that will impact wildlife and waterflow.

Tribes say structural inclusion is key