According to RealtorMag: The green housing market continues to grow, with green projects making up 20 percent of all newly built homes last year, according to McGraw Hill Construction. Researchers predict the share will rise to 29 percent and 38 percent of new U.S. homes by 2016.

"The green building market has evolved beyond the crunchy-granola, Boulder types," says David Johnston, co-author of "Toward a Zero Energy Home," who is based in Colorado. "We have mainstream builders doing this."

Find more information at “Green Goes Mainstream for New Homes,”  in The Wall Street Journal