Infrastructure

This page contains photos from the Laboratory of Tree-Ring Research in the University of Arizona’s College of Science. The Laboratory of Tree-Ring Research is a global hub of dendrochronology: the...

Western cities are using new tactics to address shrinking water supplies due to drought and population growth.

The Bureau of Reclamation gives funding through its WaterSMART program to five Western states to help combat drought and infrastructure issues.

The snowpack is crucial to the West’s water supply, ecosystems and economy. But climate change threatens to make the region’s snowpack thinner and less reliable. We talk to a leading snowpack researcher about how scientists are analyzing the past, present and future of the West’s snow.

As California’s new requirements for forever chemicals kick in, small providers in remote towns struggle to clean up their water.

A new agreement calls for Western states to leave their drinking water in the reservoir — and act as if they didn't.

Coloradans exposed to drinking water tainted by lead or so-called “forever chemicals" will see clean water faster.

Glen Canyon Dam, climate change and invasive plant species are threatening the Colorado River.

Flooding in communities near former industrial sites threatens common pollution containment methods already in place.

Dams can stop the natural flow of sand and silt to the sea—resulting in coastal wetland loss and disappearing beaches—as well as preventing fish from reaching vital spawning grounds.