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.
This week we look at the future of travel and amazing ways to store and create renewable energy.
El Hierro is the first to secure a constant supply of electricity by combining wind and water power without reliance on any outside electricity.
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