Hydropower
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Pumped Hydro is the Real Workhorse for Renewable Energy
Batteries get the most hype, but the vast majority of long-term energy storage is provided by pumped hydro
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Squeezing Power from Moving Water
An Oregon startup develops a pressure reducing valve that also generates electricity
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How Renewable Energy Advocates Are Hurting the Climate Cause
Subtle miscommunication about renewable energy is leading to some unfortunate misperceptions
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How to Make Hydropower More Environmentally Friendly
Hydropower provides 85 percent of the world’s renewable electricity, but comes with a hefty environmental price tag
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A New Way to Generate Solar Electricity
And other new ways to make and save energy — a roundup of research