From a Polar Bear’s View

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We want to get close to sealife but not put ourselves in danger.The mammals that we spot need to come to the surface to breathe:beluga whales bobbing their head up and down,narwhals giving us a glimpse of their tusks,humpback whales breaching magnificently,and seals scurrying away.These are nature’s great spectacles. And sometimes in the midst of […]

James Hansen,

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The global temperature rose 0.2°C between the middle 1960s and 1980, yielding a warming of 0.4°C in the past century. This temperature increase is consistent with the calculated effect due to measured increases of atmospheric carbon dioxide. Variations of volcanic aerosols and possibly solar luminosity appear to be primary causes of observed fluctuations about the […]