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Temperatures are climbing faster in parts of Canada than almost anywhere on Earth. Permafrost and glaciers are melting, and the country has been hit by a series of storms, droughts and heat waves of unprecedented intensity. Insects and fires are destroying vast tracts of Canadian forests. More than 300 blazes were burning in bone-dry northwestern Ontario this fall. And the mountain pine beetle, which has thrived in a succession of warm winters, has infested more than eight million hectares of B.C. forest, leaving a swath of dead trees that is visible from space.
Rising water is already a worry on Canada's coasts, especially in Tuktoyaktuk on the edge of the Beaufort Sea and in Charlottetown, P.E.I. Another 7,000 kilometres of coastline in the Atlantic provinces, B.C. and western Arctic are said to be "highly sensitive" to sea levels that scientists predict will rise between 35 centimetres and one metre by 2100.
Leading environmental scientists are so concerned, they've written an open letter to Prime Minister Stephen Harper calling on him to reduce Canada's soaring greenhouse-gas emissions, which are believed to be fuelling climate change. "Let it be a strong plan that makes Canada a world leader on this critical problem," say John Smol of Queen's University and David Schindler of the University of Alberta, recent winners of the country's top science prize.
The Intergovernmental Panel on Climate Change (IPCC) and the Arctic Climate Impact Assessment detail how global temperatures are rising. The project teams warn the projected rate of climate change in the coming century is without precedent in the last 10,000 years. "It gets awful depressing to talk about this," says Andrew Weaver, Canada Research Chair in climate modelling and analysis at the University of Victoria, one of hundreds of researchers contributing to the next IPCC report due out in February. "There will be significant environmental trauma in large parts of the world."
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http://www.canada.com/edmontonjournal/news/story.html?id=7eec7100-3659-4236-ac8c-771679f99bbd&k=31174