A national “cool” roof campaign could save some 5.7 quad of net primary energy valued at $33 billion over the 20-year lifespan of an average roof, according to researchers at the Lawrence Berkeley National Laboratory’s Heat Island Group.
The Case for Cool Roofs recommends a no-cost cool
Apple’s image in terms of social responsibility and environmental friendliness is not as pristine as its reputation with geeks is because of reports on the conditions offered to factory workers in China and the company’s poor recycling record.
However, Venture Beat reports that the company’s