A deadly leptospirosis outbreak is killing sea lions along California’s coast, alarming scientists and volunteers racing to ...

Altogether, Earth Economics calculates that the Everglades itself generates $31.5 billion in economic benefits every year.

Learn more about the tentative ties between brain degeneration and beaching in dolphins, which could become more and more ...

Releases of a delousing chemical which “desertifies” the seafloor more than doubled at Scottish Sea Farm sites last year.

As solar plants and projects are being shut down, some cheaper alternatives are being explored. NBC News' Ellison Barber ...