Researchers at the Lawrence Berkeley National Laboratory recently completed an economic analysis of white roofs versus their green and black counterparts. The debate over the relative merits of white versus green roofs is far from over, however.
Sure, we were pulled in by the article's provocative title, but we'd have to agree that under the arched canopy of Tipuana trees along Porto Alegre's Rua Gonçalo de Carvalho can be found one of the most wondrous and unique urban streets in the world.
A new report shows that New York City could be 90 percent carbon-free by 2050, "without breaking the bank," if it upgrades heating systems and transportation to renewable electricity, reports Taz Loomans.
You think the preparations your coastal town are considering making to accommodate rising seal levels are onerous? Well read about the Pacific island nation of Kiribati, who are considering the need to move their entire populace to Fiji.
Like systems used in electric vehicles like the Prius, an energy company think it could attach flywheels to subway trains and use the kinetic energy of their movement to generate energy that would feed back into the system.