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Berkeley Lab scientists using PhyloChip analysis say a previously undiscovered species of ocean microbe is aggressively gobbling oil plumes from the Gulf of Mexico oil spill.
A study of 10 years of data shows that falling solar PV panel prices and more competition among installers are resulting in lower prices, with dramatic price drops in 2010.
Does a dark screen really save energy?
U.S. government data on grid-connected photovoltaic systems shows a 30 percent drop in initial costs between 1998 and 2008.