A Nasa satellite has documented startling changes in Arctic sea ice cover between 2004 and 2005.
The extent of “perennial” ice – thick ice which remains all year round – declined by 14%, losing an area the size of Pakistan or Turkey.
The last few decades have seen summer ice shrink by about 0.7% per year.
Watch An Inconviniet Truth for more information, or visit climatecrisis.net. Images are from the BBC I just bashed 😯
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