Google today announced it will purchase 842 megawatts of clean energy, nearly a doubling of the power it's purchased to date and taking the company to 2 gigawatts of clean energy.<br />Google's announcement comes on the heels of a historic multi-national agreement at the United Nations Climate Summit in Paris to double R&D investments in clean energy.<br />On Monday, President Obama and Bill Gates announced that the U.S. is joining 19 other countries and 28 technology innovators to double funding and other resources for clean energy research and development.
