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Polar Regions experiencing severe climate change

The Arctic and Antarctic are experiencing severe climate change. The Arctic ice cap is melting at an unprecedented rate due to human induced global warming, according to a new study conducted by 300 scientists and elders from native communities in the arctic, released 8 November. Over the last 30 years the ice cap has shrunk 15-20 per cent. In 2003 the Ward Hunt Ice Shelf, the largest in the Arctic, broke into two pieces. With the build up of greenhouse gases, primarily carbon dioxide, the trend is set to accelerate with forecasts that by the summer of 2070 there maybe no ice at all.

In Antarctica, while the interior of the continent is cooling, disappearin g sea ice and warmer temperatures around the Antarctic peninsula are causing an 80 percent drop in the numbers of Antarctic Krill. This is causing the food chain to crash affecting fish, penguins, sea birds, whales and other animals, as well as commercial Fisheries. The breakup of the Larsen B ice shelf in 2002 has also released several glaciers, increasing their speed up to eight fold, and dumping their loads into the Weddell Sea contributing to rising sea level.

[Melbourne IMC: Climate Change Features | Perth IMC: Warming in Antarctica | WWF: Arctic Climate Impact Assessment | Climate Solutions]





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