Fresh Water

One legal doctrine that courthouse reporters are eyeing closely is that which currently authorizes the EPA to control greenhouse gas emissions.

The United States must grapple with a legacy of 90,000 dams, many unsafe or unwanted.

Heat, drought and water policy have created a slow-motion catastrophe at a refuge on the California-Oregon border.

A plan to import hydropower from Canada to Massachusetts begs the question of whether big hydro along with its reservoirs and dams, is green enough to be worth the cost.

In The Reindeer Chronicles, Judith D. Schwartz shows how badly damaged landscapes are being restored across the world — and why more of that work is deeply needed.

After a half-century of failures, the recovery of the Connecticut River ecosystem hangs in the balance. Will authorities finally act to save it?

More frequent, longer-lasting blooms can harm both wildlife and human health — and even kill. Can we learn to predict and prevent them?

A river-restoration advocate looks back at her family’s forgotten history to gain new insight into the history — and future — of our country’s rivers.

You may not have heard much about the long fight to remove the Nooksack Dam near Bellingham, Washington, but its detonation this week will prove ecologically and culturally important.

Fish in the northern reaches of the planet are adapted to thrive in some of the most dynamic conditions, but new research finds that some species are showing decline.