Alaska melting
THE Alaska glacier is also facing the brunt of enviornment degradation. Till not very long ago, it was common for the ships to go right upto the glacier's 61 metre-high front wall. This is no longer possible today. The front has retreated by more than 12 kilometres in the last 16 years and now the ships are greeted by a vast expanse of melting icebergs and rocky shoal that stretches from where the shrinking glacier's wall used to be to where it is now. According to the scientists, this is a result of the warming of the cold regions and is a warning that the planet's climate is changing. Infact scientist employing laser instruments have confirmed that many of Alaska's hundereds of glaciers are retreating.
Scientist at the University of Alaska believe that the average surface temperature of the globe has been gradually rising over the last century. It has increased by as much as 5
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