Fast Company magazine has put together its list of 101 emerging trends. It rewards a casual read:

6. Green Giant
Rick Fedrizzi, president of the U.S. Green Building Council, is expanding the reach of this advocate for green architecture. Instead of registering and certifying just new commercial buildings based on their environmental benefits (1,453 projects registered so far), it'll now do the same for renovation of existing buildings. It's a market that Fedrizzi estimates is nearly 100 times larger than new construction. The new rating system will be out next year. After that, he wants to develop similar guidelines for houses and neighborhoods. "Our goal," he says, "is market transformation." He's getting there, one vegetative roof and underfloor HVAC system at a time.