An experimental aircraft, Solar Impulse, is set to take off from a Swiss airbase early Thursday on the first attempt to fly around the clock fuelled by nothing but the energy of the sun.

PONTE VEDRA BEACH, FL–(Marketwire – June 30, 2010) – Solar Energy Initiatives, Inc. ( OTCBB : SNRY ), with businesses in solar project development, distribution and workforce training, today announced it has signed a letter of intent with a private developer to initiate a $4 million turn-key solar project in the State of Georgia. Under the completed agreement, Solar Energy Initiatives, Inc …

Following in the footsteps of Walmart, IBM and Procter and Gamble, Pacific Gas and Electric Co. officially kicked off a project this week to size up the carbon footprint of its supply chain with the help of Climate Earth and UC Berkeley.

James Woolsey and Vinod Khosla are among many VCs placing bets on a growing number of biofuels startups that are working to move the U.S. to domestic, low-carbon energy production.

IBM saved $26.8 in energy expenses in 2009 as a result of companywide conservation efforts that surpassed corporate targets, the firm said in annual reports that chart progress toward corporate responsibility and environmental goals.