Fish

Atlantic salmon are perilously close to extinction in the United States. Taking down a few dams could go a long way to aiding their recovery, experts say.

New research suggests that sometimes trying to completely eliminate a problematic non-native species may cause more harm than good. 

Historical pressures combined with new threats from climate change have pushed more than a dozen species close to extinction.

A new study reveals that certain kinds of fish are more likely to have ingested plastic — including hundreds of species people depend on for food.

Last year the United States racked up nearly $100 billion in damages from weather and climate disasters. These events are starting to take their toll on wildlife, too.

A groundbreaking program at the University of British Columbia draws from Indigenous knowledge and western science to develop the best tools for helping fisheries and communities.

Dozens of frogs, fish, orchids and other species — many unseen for decades — may no longer exist due to humanity’s destructive effects on the planet.

Alabama’s Mobile River basin has the most aquatic biodiversity in the country. But we’re in danger of losing it before we even know what’s there.

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

U.S. states hope to tap Canada’s network of large dams to meet low-carbon goals, but do better options exist closer to home?