Abr 14

E se os nossos carros fossem diferentes?

Nuno @ A aba de Heisenberg Categorias: pensar diferente
American Scientist, Março-Abril 2007Plug-in hybrid vehicles are clearly more than just devices for getting around. I view them as a realistic means by which society can significantly reduce its dependence on fossil fuels. When these cars hit the road in large numbers, which I fervently hope will not be more than a year or two away, some fraction of the energy used to recharge them will come from renewable sources feeding the grid. And some buyers will install solar panels or wind turbines specifically to recharge their plug-ins. As more and more people do so, society will gradually become less and less dependent on fossil-fuel energy.
Abr 14

E se as nossas casas fossem diferentes?

Nuno @ A aba de Heisenberg Categorias: pensar diferente
Freiberg: Power From the Sun (Newsweek, Abril 16/23 2007)Long before anybody noticed that the Alpine snows were melting earlier and freakish weather events became fodder for the science pages of European newspapers, the German city of Freiburg put in bicycle paths, made 42 percent of land surrounding the city off-limits to development and imposed energy standards on new construction. Its latest move: encouraging residents to be energy-independent by giving tax breaks to renewable-energy companies and subsidizing the use of solar panels in new construction. This city of 200,000 now has 11,223 square meters of solar cells covering its rooftops, a fortyfold increase since 1996. The new Vauban district of 2,000 eco-homes, completed in 2006, includes 50 solar houses, each producing more energy than it consumes. In environmentalist circles, Freiburg is known as Europe's solar capital, an achievement Mayor Dieter Salomon attributes "above all to the commitment of the people."Mais informação aqui.
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