Elka Karl

Suburban PV

Author: Elka Karl

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March 10, 2007

Solar PV is becoming an increasingly popular option for generating electricity in urban and suburban homes. Three years ago Niels Wolter of Madison, Wisconsin, installed a 1.3 kW PV system on his family’s three-bedroom ... [continue reading]

Recognizing Green Carpet

Author: Elka Karl

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May 06, 2007

With its inclusion on a 2006 list of the top ten green companies in the world, the carpet and fabric company Interface continues to lead the fi eld in terms of environmental business ... [continue reading]

Creating EQuilibrium in Canada

Author: Elka Karl

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May 07, 2007

Twelve Canadian home builder teams were recently selected as winners of Canada Mortgage and Housng Corporation (CMHC)’s EQuilibrium sustainable housing competition. The competition was organized by CMHC to support the ... [continue reading]

California's Green Rating System

Author: Elka Karl and Katy Hollbacher

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September 02, 2007

Build It Green has developed an effective green rating system for the state of California. [continue reading]

Graywater on the Grid

Author: Elka Karl

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September 04, 2007

On October 24, 2006, the EcoHouse, a demonstration green living home in Berkeley, California, gained approval for its constructed wetland and graywater hybrid system. The graywater system became the first to pass code in the state of ... [continue reading]