Environment

Environment

Plant gas

Trees, grasses, and other plants may produce the greenhouse gas methane.

Environment

Out in the cold

With pollution, over-fishing, and shrinking habitats, the life of a penguin isn't getting any easier.

Environment

Forests as a tsunami shield

Trees appear to protect seaside settlements from the worst effects of a tsunami.

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.

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?