This desalination device delivers cheap, clean water with just solar power
Making ocean water safe to drink is usually an expensive and polluting prospect. This Finnish startup has found a way to do it with clean energy and a tiny footprint. In a coastal city in Namibia, a small shipping container near the beach sits surrounded by s…
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The Sun Sets. The Wind Dies. But Energy Data Is Relentless.
Alternative power sources have upended the electric grid. Ivan Penn, who covers the beat, discusses the changes and how he keeps track of them.