Author: admin
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Permafrost that lives up to its name
Ancient Canadian ice survived previous warm periods. A 740,000-year-old wedge of ice discovered in central Yukon Territory, Canada, is the oldest known ice in North America. It suggests that permafrost has survived climates warmer than today’s, according to a new study. “Previously, it was thought that the permafrost had completely disappeared from the interior about…
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The missing greenhouse gas
Growth of the electronics industry will boost emissions of a ‘hidden’ — but extremely potent — greenhouse gas. Our insatiable appetite for gadgets — mobile phones, MP3 players and flat-screen TVs — may be adding a hidden greenhouse gas to the Earth’s atmosphere. Countries that ratified the Kyoto Protocol committed to reducing their emissions of…
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Rapid Ice Retreat Threatens Arctic Interior
Nature Reports: Climate Change The rapid decline of sea ice could accelerate inland warming over the Arctic region, radically transforming the landscape. One of the Northern Hemisphere’s natural cycles is the expansion and contraction of the floating Arctic ice cap. Typically, sea ice decreases during the Arctic summer, reaching a low in September, before recovering…