Obama urges action "for the sake of our children and our future." ->
Bill and Melinda Gates Foundation award $3 million to researchers to design safe, reliable and cheap toilets for the developing world.
Looks like a salad spinner, cleans like a washing machine.
Called a jewel box with an ultra-low footprint, this 420 square-foot apartment has taken first place in a Treehugger contest.
Nanodiamonds work to loosen fat and dirt from clothing, even at low temperatures.
Cleaning up the ocean is not a dirty job for this drone.
This in-home rotary herb garden design was inspired by a NASA concept for feeding astronauts in space.
More gyms are using specially designed equipment to capture the energy you create while pedaling, and turn it into useful electricity.
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