BBC: Arctic sea ice has reached its minimum extent for the year, setting a record for the lowest summer cover since satellite data collection began. The 2012 extent has fallen to 3.41 million sq km (1.32 million sq mi) - 50% lower than the 1979-2000 average. Arctic sea ice has long been regarded as a sensitive indicator of changes in the climate. Scientists who have been analysing the startling melt think it is part of a fundamental change. "We are now in uncharted territory," said Mark Serreze,...
URL: http://www.bbc.co.uk/news/science-environment-19652329#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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