Energy

Help crowdfund the world's first steam ring generator

How to make your refrigerator more efficient

The universe is dying slowly

What is the U.S. Clean Power Plan?

'Unplugged Nation' takes city folk off the grid

Exxon knew climate risks in 1981, email suggests

Scientists create engine that is powered entirely by evaporation

Big utilities are ready to go small

With Solar Energy Research Center, we're one step closer to making fuel from sunlight and CO2

Are the Mekong River dams double-edged swords?

5 dangers of oil drilling in the Arctic Ocean

Philips' latest bright idea is a no-frills $5 LED bulb

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