ApocaDocs: 'Green' roofs not always the most energy-efficient

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Posted Mon Jun 29 2015: from Philadelphia Inquirer:


	'Green' roofs not always the most energy-efficient http://apocadocs.com/s.pl?1435590234 ... the white-roof craze is based on old and faulty research that has promulgated two myths - that these roofs save energy atop any building and that they decrease global warming... There is a significant heating penalty associated with using white roofs in central and northern climates, where owners use three to five times as much energy to heat their buildings than to cool them. In cities like Philly, white roofs consume more energy, which means they cause more cardon dioxide emissions.

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'Doc Michael says:

I find this bittersweet.

http://www.huffingtonpost.com/samir-ibrahim/white-roofs-green-myth_b_2901288.html