Oct. 27: Against a backdrop of solar energy panels in Florida, President Barack Obama awarded $3.4 billion in economic stimulus funds to projects aimed at modernizing the country's power grid. NBC's Ann Curry reports.
LAS VEGAS - MAY 27: U.S. President Barack Obama tours a solar power site with Col. Howard Belote
In this Monday, July 20, 2009 photo a person who declined to be identified places trash a solar-powered trash compactor called a BigBelly, in Philadelphia. The city has replaced the trash bins with high-tech compactors, which use solar energy to condense trash cutting down collection trips.