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Renewable energy technologies

Page | July 15, 2010 at 16:05

Renewable energy covers a range of natural sources which are constantly renewed and therefore, unlike fossil fuels and uranium, will never be exhausted. Most of them derive from the effect of the sun and moon on the earth's weather patterns. They...

Earth Day is Every Day

Earth Day is Every Day

Video | April 24, 2009 at 14:30

"Can you imagine a clean energy future? Greenpeace celebrated Earth Day 2009 by installing wind turbines — a symbol of clean energy — on the Michigan Ave. bridge in "the Windy City," Chicago, IL, hometown of President Obama.

With the fall harvest underway in Iowa

With the fall harvest underway in Iowa

Image | October 2, 2007 at 14:40

With the fall harvest underway in Iowa, Greenpeace activists took to the fields to stomp out their message.

This crop circle resembles a clean energy

This crop circle resembles a clean energy

Image | October 2, 2007 at 14:47

This crop circle resembles a clean energy source -- wind turbine.

Harvesting a new crop of solutions for global

Harvesting a new crop of solutions for global

Image | October 2, 2007 at 14:45

Harvesting a new crop of solutions for global warming.

Wind turbine crop circle.

Wind turbine crop circle.

Image | October 2, 2007 at 14:44

Wind turbine crop circle.

Activists made a crop circle of a wind turbine

Activists made a crop circle of a wind turbine

Image | October 2, 2007 at 14:42

Activists made a crop circle of a wind turbine.

Activists made a crop circle of a wind turbine

Activists made a crop circle of a wind turbine

Image | October 2, 2007 at 14:38

Activists made a crop circle of a wind turbine in an Ames cornfield to demand a commitment to renewable energy production.

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