Environment

In the early 1970s, when satellites first began snapping photos of Earth, scientists noticed a mysterious hole in one of Antarctica’s seasonal ice packs, floating on the Lazarev Sea. Come summertime the gap had disappeared, and for decades the strange event went unexplained. Then, a year and a half ago, during the continent’s coldest winter months, when
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Bryan Thomas doesn’t want any more “wishy-washy conversations about climate change.” For four years, he has served as station chief of the Barrow Atmospheric Baseline Observatory, America’s northernmost scientific outpost in its fastest-warming state. Each morning, after digging through snow to his office’s front door, Thomas checks the preliminary number on the observatory’s carbon dioxide monitor.
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The Sixth Global Environment Outlook (GEO-6), the most comprehensive environmental assessment produced by the UN in five years, brought us both good and bad news. The environment has continued to deteriorate since the first GEO-6 report in 1997, with potentially irreversible impacts if not effectively addressed. But pathways to significant change do exist, and a
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As we continue to see warming glaciers collapse and melt into the ocean, we’re potentially looking at a ticking time bomb of buried nuclear material, according to new research. Scientists have analysed 17 glacier sites and found fallout radionuclides (FRNs) trapped within ice surface sediment called cryoconite at all of them – covering the Arctic,
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