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Human-made waste heat warms climate

2013-01-28 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceNews: The waste heat generated by car engines, power plants, home furnaces and other fossil fuel-burning machinery plays an unappreciated role in influencing regional climates, new computer simulations suggest. By altering atmospheric circulation, human-made heat may raise temperatures by as much as 1 degree Celsius during winter in the northernmost parts of the world. The finding may help explain why current climate simulations, which account for the heat-trapping effects of greenhouse gases...

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Harmful algae blooms increase as water warms in the world's major lakes

2013-01-08 07:00:00| Climate Ark Climate Change & Global Warming Newsfeed

ClimateWire: The warming waters of one of central Europe's most popular holiday destinations, Switzerland's Lake Zurich, have created an ideal environment for a population explosion of algae including Planktothrix rubescens, a toxic cyanobacterium. It has the potential to harm humans, animals and the tourism that pumps up the economies of lake districts. Although harmful algal blooms have been documented for more than a century, recently the number and frequency of cases have drastically increased. According...

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