Commonwealth Fusion Systems to Build Power Plant in Virginia

Commonwealth Fusion Systems, an M.I.T. spinoff, aims to generate carbon-free electricity in an industrial park near Richmond in the early 2030s.

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Three Questions From Cutting-Edge Climate Science

An annual gathering of scientists this week offered a glimpse into the latest efforts to answer some of the most intriguing questions about our warming planet.

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Arctic Tundra Has Long Helped Cool Earth. Now, It’s Fueling Warming.

Wildfires and thawing permafrost are causing the region to release more carbon dioxide than its plants remove, probably for the first time in thousands of years.

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Three-Quarters of Earth’s Land Got Drier in Recent Decades, U.N. Says

Human-caused global warming helped increase dry conditions on every continent, scientists said in a new report, as talks on halting desertification were underway in Saudi Arabia.

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Inching Toward a Fusion Energy Future

A handful of start-ups are racing to usher in an era of near-limitless fusion energy, but big questions remain.

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