NASA finds vegetation essential for limiting city warming effects
Greenbelt MD (SPX) Aug 26, 2015 - Cities are well known hot spots - literally. The urban heat island effect has long been observed to raise the temperature of big cities by 1 to 3C (1.8 to 5.4 F), a rise that is due to the presence of asphalt, concrete, buildings, and other so-called impervious surfaces disrupting the natural cooling effect provided by vegetation. According to a new NASA study that makes the first assessment of ... more
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