The California Energy Commission did a study that estimated that a 93 m2 roof could offset 10 tons of CO2 emissions over 20 years. Another study showed that lightening the roads and rooftops with reflective surfaces, in combination with tree planting, could cool Los Angeles by 2-3°C — which would decrease smog as effectively as a total ban on cars and trucks. A 2012 study by Concordia University estimated that painting roofs white and using light-colored materials to surface roads and pavements would offset the amount of CO2 generated by all the cars in the world for 50 years! Unfortunately, not all roofing companies in California can claim to be “doing their part” to preserve the environment. Only a handful of roofers, like Shelton Roofing, a reputable Menlo Park roofing contractor that also serves Sunnyvale and Palo Alto, keep in touch with the latest news and technologies for green roofing, which they offer their clients in tandem with general roofing services.
http://sheltonroof.com/a-menlo-park-roofing-contractor-can-help-you-preserve-the-environment/
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