Green Spotlight on Construction & Demolition Waste

Cornerstone speaks with Chris Klehm Q:  Is it appropriate to refer to what can be done with construction and demolition (C&D) waste as recycling? A:  Not really.  Some of the waste can be recycled, but I prefer to think of the process as “construction and demolition waste management,” implying that the materials need to be managed.  […]

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Local Green Building is Country’s Largest

By Jerry DeRosa, PNC Financial Services Group, Environmental Services Group PNC Financial Services Group has been experiencing excellent growth.  This fact, coupled with the recent sale of our PNC Fort Duquesne building (necessary due to the expansion of Pittsburgh’s David L. Lawrence Convention Center), made it essential for PNC to either purchase or build a […]

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Eberly Family Learning Center

The owner of the Eberly Family Learning Center (EFLC) did not need to be convinced to make this new facility a green building.  “It was the responsible thing to do,” explains Lynn Caffrey, outdoor program director of the Girl Scouts of Southwestern Pennsylvania.  “We were building this for the girls, to teach them about the […]

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Calming Stormwater Hazards

“Polluted stormwater runoff is a leading cause of impairment to the nearly 40 percent of surveyed U.S. water bodies that do not meet water quality standards.” U.S. Environmental Protection Agency There’s nothing quite like the majesty of a powerful summer thunderstorm—the flashes of light, the loud claps, the driving rain—all of which usually herald a […]

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What Lies Beneath: Ground Source Heat

Held just below the earth’s surface is a huge energy storage device, capable of absorbing 47% of the sun’s energy—that’s more than 500 times the energy mankind needs every year in a clean, renewable form.  GeoExchange systems, also known as geothermal heat pumps or ground source heat technology, take advantage of this great reservoir, transferring […]

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Green Spotlight on Landscaping

Residential homes in the United States have 40 million acres of yard.  Most yards waste water, are sprayed with chemicals (over 200 million pounds of lawn chemicals annually), and can’t support wildlife. Q:  When doing site planning, what are the most important landscape issues to consider? A:  There are two important issues to understand—the land […]

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Drop by Drop Pointers for Water Conservation

Just 1% of the world’s entire water supply is available for human use—the rest is salty or locked up in ice caps and glaciers. Conserving water has a number of positive benefits, including saving money on your utilities.  You can lower your sewer, gas, and electric bills because you’ll be putting less water down the […]

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Building Commissioning: A Key to Building Success

This article is excerpted with permission from a longer article by Nadav Malin in Environmental Building News, Feb 2000, Vol 9: No. 2 Amazing as it may sound, it is not unusual for large and very expensive buildings to be built without any one party having overall responsibility for ensuring that the systems all work […]

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This Building Certainly isn’t “Going to the Dogs”

Thanks to an innovative architect and a committed owner, the Women’s Humane Society animal shelter in Bensalem, PA, near Philadelphia, has been reaping the benefits of a green building for six years.  According to John Foster, the Society’s executive director, the new building has sustained a reduction of 40 percent in energy usage per square […]

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Putting the Flex in Flexible Buildings

Winston Churchill’s insight, “We shape our buildings, and afterwards our buildings shape us,” doesn’t fully apply in our modern world.  According to Stewart Brand, the author of How Buildings Learn:  What Happens to Them After They are Built, we first shape our buildings, then they shape us, then we shape them again and again. To avoid […]

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