28 Jan '13, 10am

Study finds urban waste heat affects temperatures across thousands of miles, warming some areas and cooling others

Study finds urban waste heat affects temperatures across thousands of miles, warming some areas and cooling others 28 January 2013 The waste heat generated by everyday activities in metropolitan areas—which is distinct from the urban heat island effect—alters the character of the jet stream and other major atmospheric systems, affecting temperatures across thousands of miles, significantly warming some areas and cooling others, according to a new study published in the journal Nature Climate Change . The extra waste heat generated from buildings, cars, and other sources in major Northern Hemisphere urban areas causes winter warming across large areas of northern North American and northern Asia. Temperatures in some remote areas increase by as much as 1 degree Celsius (1.8 degrees Fahrenheit), according to the research by scientists at the Scripps Institution of Oceanograp...

Full article: http://www.greencarcongress.com/2013/01/zhang-20130128.html

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