Prepared to be awed by a bionic ankle, a jet-powered bike, wind turbines without blades and a weird wearable that contains living organisms.
Not your ordinary frozen dairy treats, these ice creams changes color, glow in the dark and are made using wind power, among others.
Alternative power, from sunlight to human muscle tops out this week's gallery.
The modern-day windmill is part energy icon, part tourist attraction and part residential building.
From tattoo batteries to paint that powers a car, from floating solar farms to wires made from DNA, catch up on the year's most exciting energy news.
Seventy-two artificial leaves work as micro-turbines to generate 3.1 kWh.
Falling oil prices left renewable energy’s immediate future in limbo, but solar power is expanding.
Take a leisurely scroll through the future of clean energy and public art.
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