Environment

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The Siberian tundra could disappear by the year 2500, unless greenhouse gas emissions are dramatically reduced.  Even in the best-case scenarios, two-thirds of this landscape – defined by its short growing season and cover of grasses, moss, shrubs and lichens – could vanish, leaving behind two fragments separated by 1,553 miles (2,500 kilometers), scientists recently predicted. And
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As air pollution decreases in the western Northern Hemisphere, several new climate simulations suggest tropical cyclones in the Atlantic may increase. The forecast is troubling, though not necessarily a surprise. When tiny aerosols like dust, soot, and sulfates are airborne, they create smog that can dim sunlight and cool Earth’s atmosphere and surface. Broadly speaking,
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All heatwaves today bear the unmistakable and measurable fingerprint of global warming, top experts on quantifying the impact of climate change on extreme weather said Wednesday. Burning fossil fuels and destroying forests have released enough greenhouse gases into the atmosphere to also boost the frequency and intensity of many floods, droughts, wildfires, and tropical storms,
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In a warmer world, rising sea levels could render many coastlines, beaches, and reef islands uninhabitable, or destroy them altogether. The 1.09℃ Earth has warmed since pre-industrial times has already heightened seas by 20 centimeters. But curiously, research shows some coastlines and even low-lying coral reef islands are actually growing rather than eroding in the
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Tiny parasites could be hitchhiking on microplastics floating in the ocean and then hopping to ocean life. Under laboratory conditions, researchers have shown three common germs – Toxoplasma gondii, Giardia, and Cryptosporidium – are more than capable of adhering to synthetic microbeads and microfibers. This may not be happening in the real world, but the
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Australia’s spectacular Great Barrier Reef is suffering “mass bleaching” as corals lose their color under the stress of warmer seas, authorities said Friday, in a blow widely blamed on climate change. The world’s largest coral reef system, stretching for more than 2,300 kilometers (1,400 miles) along the northeast coast of Australia, is showing the harmful