A powerful new energy model developed by Cornell University is helping small cities plan for a greener future—quickly, affordably, and without needing supercomputers.

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President Trump ordered the removal of homeless encampments in Washington, D.C., as part of a federal takeover of city policing.

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A groundbreaking new study reveals there may be 27 million metric tons of nanoplastic pollution in the North Atlantic alone—raising urgent questions about what we can't see, but are definitely ingesting.

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