hydropower
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How the humble chairlift could revolutionize renewable energy
Simple mechanical systems can store energy much longer than batteries.
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Why some hydropower plants are worse for the climate than coal
“It’s pretty alarming,” Ilissa Ocko, the study’s lead author, told Grist.
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Wind and solar can save the planet — can they save our water supply, too?
In California, the rapid growth of solar and wind could help replenish depleted aquifers.
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Springtime, and the renewables are surging
Ever wonder why renewable records tend to come in the spring?
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When environmentalists busted up dams, coal moved in
Study says carbon emissions up 1,400 tons for every thwarted megawatt of hydropower.
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California is shattering renewable records. So why are greenhouse emissions creeping up?
Here's a puzzle: California has a greener grid, but it's carbon emissions just ticked up.
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What’s better: New solar panels or old hydropower?
A reader wonders about the benefits of solar panels since her local grid is already pretty green. Umbra plugs in.
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This artificial waterfall will power Olympics 2016
This is Rio de Janeiro right now: “Hey, London, nice job with the terrifying brain slug mascots and logo that evokes cartoon incest. We’ve also been doing some design innovation for our Olympics! Yeah, we just made this giant beautiful waterfall that will generate renewable energy for the Olympic Village. But yours is good too!”
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America could power a city on all the small-scale hydroelectric power we’re not harvesting
Every year, America misses out on 1.2 million megawatt-hours of electricity, enough to power a small city. Where's it all going? Literally, it's being flushed down the drain.