Environment

KeysQuestions4Explore4 The world drowns in 10 million tons of spent coffee grounds every year, and South Korean researchers…

Coffee beans at a tasting fair in Buon Ma Thuot, Vietnam, March 2023.Nhac Nguyen/AFP via Getty Get your…

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Stand at any beach and the ocean looks permanent, almost stubborn, a vast bowl of water that rises…

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Migratory swifts loyally return every year to their nests in buildings, according to a study, underlining the importance…

TOKYO — A powerful earthquake struck off the northern coast of Japan during rush hour on Thursday morning, but the…

If Australia does not ramp up fire ant eradication efforts, the invasive species will cause billion-dollar economic impacts…

WASHINGTON (AP) — As the world tries to curb human-caused climate change and not run dry of water,…

South Korean researchers just turned wet coffee grounds into a coal-grade fuel in 90 seconds without ever drying them, using a plasma flame to flash the trapped water into thousands of tiny explosions that blow each ground open and leave behind carbon as dense as anthracite