Energy

India gets world's first 100% solar-powered airport

Help crowdfund the world's first steam ring generator

Google's 'Project Sunroof' offers new take on home solar potential

Better wind turbines could spell trouble for coal

How to make your refrigerator more efficient

Does canning or freezing have a smaller footprint?

5 websites to help you invest in clean tech

Denmark just got 140% of its electricity from wind. But what does that mean?

Solar Impulse soars to new world records

Scientists create engine that is powered entirely by evaporation

Research push could make clean energy costs plummet

Akon creates institution to educate solar engineers in Africa

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