what’s-the-best-way-to-expand-the-us-electricity-grid?

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Growing energy demand means the U.S. will almost certainly have to expand its electricity grid in coming years. What’s the best way to do this? A new study by MIT researchers examines legislation introduced in Congress and identifies relative tradeoffs involving reliability, cost, and emissions, depending on the proposed approach.Continue Reading

helping-trees—and-a-city—outrace-climate-change

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Arborists and land managers are trying “assisted migration” as global warming threatens livability in communities and the health of urban and rural forests. By James Bruggers LOUISVILLE, Ky.—Nearly a foot of snow has melted. The deep freeze that sent temperatures across the region plummeting to below zero has warmed toContinue Reading

jupiter’s-moons-may-have-formed-with-the-ingredients-for-life

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Jupiter’s icy moons may have been seeded with the chemical ingredients for life from the very beginning. An international team of scientists modeled how complex organic molecules—essential building blocks for biology—could have formed in the swirling disk of gas and dust around the young Sun and later been carried intoContinue Reading

taking-the-heat-out-of-industrial-chemical-separations

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The modern world runs on chemicals and fuels that require a huge amount of energy to produce: Industrial chemical separation accounts for 10 to 15 percent of the world’s total energy consumption. That’s because most separations today rely on heat to boil off unwanted materials and isolate compounds. The MITContinue Reading