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EarthTalk: Understanding Climate Change – The Importance of the Arctic

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: Why is the Arctic such a crucial area to focus on in efforts to stem global warming?  – Joseph Constabile, Dedham, MA The image of a polar bear standing on a shrinking iceberg has become one of the most iconic symbols…

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Using satellite data researchers find effect of melting Arctic sea ice has greater impact on global warming than expected

Melting Arctic Sea Ice Causing More Warming Than Expected

Scientists have long modeled the expected warming due to the decreased albedo effect as melting Arctic sea ice exposes more open ocean. As early as the 1960’s climate researchers have predicted how this phenomenon will amplify global warming. Arctic ice melt, albedo and global warming Albedo is measured as a percentage, in this case the percentage of solar radiation a…

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