Mayor de Blasio today announced a significant expansion of the successful New York City Carbon Challenge – one of a series of initiatives that are central to the city’s One City: Built to Last plan. This groundbreaking program, which currently challenges various private and institutional organizations to reduce their climate-changing pollution by at least 30 percent within 10 years, will now reach more than 700 multifamily buildings and encourage many of the participants to achieve even greater reductions.

New York City Turbocharges ‘Carbon Challenge’ in Big Environmental Push
Natural Resources Defense Council: Switchboard
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