The Federal Trade Commission is said to be skittish on antitrust grounds about green-lighting the purchase by the two music wholesalers, who jointly run smaller Web sites columbiahouse.com and totale.com.

FORBES

Dusty Gedge, co-founder of Livingroof.org, a UK Web site promoting the green roof industry, believes it is the government's responsibility to help the industry grow.

CNN: Green roofs cool cities, combat climate change, say Germans