Fate of the Caspian Sea

Threatened by pollution and climate change, the future of Earth’s largest inland body of water is in the hands of five bordering nations.

Pole Watchers

Projected slowdown of ozone loss by the end of the current decade can be seen as a first sign of ozone recovery

ocean

Rising Waters

Human activity is behind mounting sea levels.

Great Basin bristlecone pine

Fine Times for Pines

Climate change sends the growth of ancient trees into overdrive.

sea stars

Rising Stars

Sea stars grow faster in warmer, acidified water.

storm

Stormy Weather

An Internet guide to extreme weather

view counter

Recent Stories

Elephant populations continue to dwindle in Tanzania.

With proper safeguards, water currents can be harnessed out of sight.

Barely pulled back from the brink of extinction, California condors are still being poisoned by lead-based ammunition.

Vulnerable everywhere in the wild, lions already face regional extinction.