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More About Alternative Energy
Photo: Wadham Biomass Facility generates electricity by incinerating rice chaff

Biofuel

Turning trash into riches.

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Photo: A zinc-based metal fuel cell

Fuel Cells

The Ultra-clean power source.

Find Out More
Photo: A geothermal plant and runoff pond near Reykjavik

Geothermal Energy

Power from the Earth's heat.

Read More
Photo: New Zealand's Lake Benmore, seen from the adjacent hills, provides one-third of the country's hydro-electricity (Upper Waitaki Hydro Development Scheme, South Island)

Hydropower

The energy of falling water.

Learn More
Photo: Solar powered house at night

Solar Energy

Capturing the sun's light.

See More
Photo: Dark storm clouds approach wind turbines in a roadside field.

Wind Power

Clean energy generator from mother nature.

Get the Facts

News: Latest Environment Stories

VIDEO: Red Tide Kills Mexico Fish
Ice Adrift From Warming Scrapes Antarctic Seabed Bare
Move Species Threatened by Warming, Scientists Advise
See More Environment News
RSS
What Is RSS?

Video: Iowa Wind Power

Photo: Field with people and windmill

A school district is learning—and earning—with wind power.

See How

Related Features
Photo: Earthrace speed boat

Video: Speedboat Runs on Biofuel

A boat called Earthrace is on a mission to break the speed record for circumnavigating the globe—powered entirely by biodiesel.

Watch Video
Photo: Large ice floes on the Southern Ocean. Ridges are caused by floes bumping up against one another, forming walls of ice.

Article: Global Warming Solutions

From increased use of wind power to elaborate systems of burying carbon dioxide, explore some of the ways humans may be able to bring greenhouse gases back under control.

Learn More
Photo: Corn

Photo Gallery: Biofuels

Producing fuel from corn and other crops could be good for the planet—if only the process didn't take a significant environmental toll. New breakthroughs could make a difference.

See the Photos

Environment Topics

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Discover the extraordinary impact that an average human life has on the world.

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