High cost, permitting process steer New York away from green roofs

05/20/2009 | NYTimes.com

The high cost of green roofs is pushing officials in New York to consider alternatives to reduce carbon emissions. Officials say the city is emphasizing "white" or "cool" roofs that reflect the sun's heat because they cost a fraction of the $25 per square foot that a green roof costs. The permitting process also creates an obstacle for green roofs in New York, observers say. Meanwhile, green roofs are a key part of Chicago's plan to transform itself into the most environmentally friendly city in the world, officials say.

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