Storing Renewable Energy

Renewable energy sources abound, but they suffer from the inherent problem of variability; nature often provides too much energy when we don’t need it and not enough when we do. Learn how innovative energy storage technologies are making renewable energy sources cheaper and more accessible in the October issue of EARTH Magazine!

Tibetan monks have long known how to concentrate solar energy using a parabolic mirror. Credit: Julia Rosen
Tibetan monks have long known how to concentrate solar energy using a parabolic mirror. Credit: Julia Rosen
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