In a sign of acceptance of green building practices, the existing commercial space being retrofitted to LEED standards now exceeds that of new construction.
Recognizing the problems of a plastic-choked ocean, the Trash Free Seas Alliance aims to rid the seas of its islands of flip-flops, soda bottles, and plastic bags.
Analysis: Solar energy writer John Perlin argues that Solyndra's fall from grace reflects a bad choice in technique, and not a fundamental problem with solar energy.