How to brew solar powered coffee
9
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Inside Iceland's futuristic farm growing algae for food – Vaxa Technologies has developed a system that harnesses energy from the nearby geothermal power plant
7 votes -
Iceland's vertical farm turning algae into food – pioneering entrepreneurs are growing some surprising crops and doing it sustainably
6 votes -
Hops for beer flourish under solar panels. They’re not the only crop thriving in the shade.
24 votes