Green Streets: Hall of Fame - July/August 2006 - Sierra Magazine - Sierra Club - 0 views
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The Second City's green-roofs program is second to none, with more than 2.5 million square feet devoted to providing cooling and insulating cover.
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CHICAGO population 2,862,244
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The first major city to tackle global warming, Portland creates less greenhouse gases than it did 15 years ago, while saving $2 million annually on city energy bills--and attracting new business with its efficiency expertise.
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