A stronger Sun actually cools the Earth
An increase in solar activity from the Sun actually cools the Earth, suggests new research that will renew the debate over the science behind climate change.
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Arctic sea ice decline: the changing face of a region in pictures
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A female polar bear climbs out of the sea onto an ice floe, in summer ice in Spitsbergen, Svalbard, Norway
Picture: Arctic Photo / Barcroft Media
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