From Boston.com: The city’s largest property owner - spurred by high energy prices and rising demand from tenants - is seeking “green” certification for all of its office buildings, marking a major milestone in Mayor Thomas M. Menino’s push to make Boston the nation’s most environmentally friendly city.Equity Office Properties Trust, which owns 20 structures in and around Boston, is outfitting its buildings with features ranging from energy-saving heating and cooling units to new bike racks as part of a multimillion-dollar effort to stamp its buildings with the green label.

“We’re doing this from a social responsibility perspective, but it’s also become necessary to maintain tenants,” said Greg Shay, president of Boston operations for Equity Office. “It’s gotten to the point where not taking action is somewhat foolish.”Equity Office, which was acquired by Blackstone Group last year, operates office towers across the country, but it is installing the green technologies only in its Massachusetts properties, beginning what could become a national effort, executives said. The company’s marquee addresses include One Post Of fice Square, Rowes Wharf, and 60 State Street….. Full Article: Source