One is looking at whether you could move something other than water uphill—pebbles, for example. Another is working on a process that would do away with the hill but not the water: You pump water underground, keep it there under pressure, and then release it when you’re ready to turn a turbine. If this approach works, it would…

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“Every Country Has Its Own Climate Risks. What’s Yours?” created by the New York Times,

has all sorts of tools for managing the direction and pace of energy R&D: research grants, loan programs, tax incentives, laboratory facilities, pilot…

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