Revealed: The secret evidence of global warming in Alaska that Bush did not want you to see

Newly declassified images have been released showing the devastating impact of global warming in the Alaska.

The graphic photographs, released last week by the American military, show huge swathes of summer ice cover have disappeared from the Chukchi Sea.

The photos were kept strictly secret by the Washington administration under George W Bush and were declassified by the White House last week.