Steven Chu

Obama Goes to Copenhagen!

A day before Thanksgiving, President Obama gave us all a little something more to be thankful for by announcing that he will attend next week’s climate negotiations in Copenhagen. The … Read more

City Rooftops: Paint Them White Or Plant Them With Green? — New Study

Cities are real climate hot spots and their rooftops, in particular, absorb heat and run up energy use. Jeff Salton at Gizmag.com reports: Previous studies have indicated that painting roofs … Read more