Earth

Environment

Unnatural disasters

The actions of people can make the destruction caused by hurricanes worse than it would be otherwise.

Environment

Shrinking glaciers

Most glaciers around the world appear to be getting smaller.

Environment

Seabirds deliver Arctic pollutants

When birds look for food at sea, they pick up and carry pollutants back to their nesting areas.

Environment

Cleaning up fish farms

Although fish farms can supply lots of food, these operations may also cause pollution and hurt wild populations.

Environment

Saving wetlands

In Louisiana and elsewhere, wetlands are disappearing, threatening plant and animal life.

Environment

Whale watch

Unraveling the secret lives of whales may help keep them from dying out.

Climate

Arctic algae show climate change

Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.

Environment

Shrinking fish

Because of fishing, fish are becoming smaller and growing more slowly.

Environment

Spotty survival

The northern spotted owl faces unpredictable threats and an uncertain future.

Environment

The wolf and the cow

Can livestock and predators share the same land?

Earth

Wave of destruction

The recent Indian Ocean tsunami was one of the most deadly and destructive natural disasters in modern times.

Earth

Digging into a tsunami disaster

A powerful earthquake under the Indian Ocean changed Earth's surface and spin.