World temperatures could soar by 4 degrees Celsius by the 2060s in the worst care of global climate change and would require an annual investment of $270 billion just to contain rising sea levels. Such a rapid rise is double the 2 degrees set by 140 governments at a U.N. climate summit in Copenhagen last year and would disrupt food and water supplies in many parts of the globe. "Across many sectors, coastal cities, farming, water stress, ecosystems or migration, the impacts will be greater" than at 2 degrees. Other scenarios showed the threshold breached later in the century or not at all by 2100, raising risks of abrupt changes such as a loss of Arctic sea ice in summer, a thaw in permafrost or a drying out of the Amazon rainforest. This is of course terrible news if they are predicting the water temperatures to be higher than they had previously predicted and it must mean we are doing a lot of damage to our environment. Hopefully, people realize this and start making some changes in the way they live their lives.
Link to site: http://www.enn.com/climate/article/42051
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