Fish

Scientists and policymakers have developed a time-sensitive plan to help save ailing freshwater ecosystems and imperiled species. 

The innovative project could aid endangered native species — and provide a useful roadmap for other dam-removal efforts.

New research shows that recreational fishing can sometimes be a huge problem — especially for threatened species of marine fish.

From the mountains of Ethiopia to the ice floes of the Arctic, numerous species could be pushed to the brink. Here’s how.

Climate change has caused record-breaking ocean temperatures, and that means more dangerous storms, trouble for coral reefs and big changes for our marine ecosystems.

Citizen scientists are helping speed up efforts to replant and regrow dying reefs, but is the labor-intensive process really the best answer?

Scientists studying conditions on the Klamath River hope to help recovery efforts here and around the world, but they still lack dedicated funding.

In response to pressures from the international community, Mexico has agreed to take more steps to prevent the porpoises’ extinction — but with fewer than 20 remaining, will that be enough?

Mounting evidence proves that natural-gas and oil extraction threatens wildlife and ecosystems — much as it harms human health.

A dire report about our climate and oceans underscores the great need for action. A global oceans treaty could help save the future.