Independent: Anyone who has ever slipped over on black ice in the dead of winter will attest to how dangerous it is. But a darkening of the Greenland ice sheet could impact upon the entire world, as the hastening trend reduces the Arctics ability to reflect sunlight and increases global warming.
The worlds leading expert on the ice that covers the huge expanse of Greenland has told The Independent that he was stunned to see how much darker it has become in the past year warning it could start a hugely...