Video: ‘The BBC’s Stephen Sackur analyses how fast the Greenland Ice Sheet has retreated and whether it is evidence of global warming.’
via BBC NEWS | Science & Environment | Getting a grip on Greenland’s future.
Video: ‘The BBC’s Stephen Sackur analyses how fast the Greenland Ice Sheet has retreated and whether it is evidence of global warming.’
via BBC NEWS | Science & Environment | Getting a grip on Greenland’s future.