Volume 13, Issue 32 ~ August 11 - 17, 2005

 
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Got an Environmental Question? Send it to: EARTH TALK, c/o E/The Environmental Magazine, P.O. Box 5098, Westport, CT 06881. Or submit your question at: www.emagazine.com. Or e-mail us at: earthtalk@emagazine.com.
From the Editors of E/The Environmental Magazine

A Bumper Crop of Green Buildings
What are some of the trends in construction that seek to improve the environmental impacts of buildings?

Builders, architects, environmental organizations and forward-thinking governments around the world are working on a host of innovative ideas aimed at greening the built environment — from giant factories and public spaces to housing developments and single-family homes.

On Earth Day last April, syndicated columnist Joan Lowy described what she thought were the most important environmental trends. Number two on her list (just behind cleaner cars) was green building. Over 200 new commercial and public structures built in the U.S. in the last five years have met or exceeded rigorous standards for energy efficiency, use of recycled materials, water conservation and other practices set by the U.S. Green Building Council, an association of building industry leaders that works to promote environmentally responsible building.

“That’s 217 million square feet, or five percent of the construction of commercial buildings over the past five years,” she wrote, noting that almost 10 percent of new homes in some of the top housing markets now meet Environmental Protection Agency Energy Star standards for energy efficiency. (To earn an Energy Star, a house must be 30 percent more energy-efficient than required by regulation.)

Some specific green building features include: water-saving low-flow plumbing systems; living filter systems that use plants and bacteria to break down waste; solar energy; recycled and non-toxic materials (from paints to siding to insulation); efficient integration of structures into natural landscapes; and innovative uses of plants, including for roofing and reducing water runoff, air pollution — and energy bills.

Green builders look to stack up to the Leadership in Energy and Environmental Design rating system, a science-based approach developed by U.S. Green Building Council that emphasizes sustainable-site development, water and energy efficiency, wise materials selection and indoor environmental quality.

A number of cities, including San Jose, San Francisco, Boston and Seattle are leading the way in requiring that new public buildings be green.

“I think what has happened is that we’ve changed people’s attitudes,” says Taryn Holowka, a spokesperson for the U.S. Green Building Council. “They realize that a green building doesn’t have to look like a space ship, it doesn’t have to cost more and in the long run it actually saves money.”
 
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