NYT - De Blasio Orders a Greener City, Setting Goals for Energy Efficiency of Buildings

In a sweeping effort to reduce its environmental impact, New York City is planning to overhaul the energy-efficiency standards of all its public buildings and to pressure private landlords to make similar improvements.

The initiative is part of a pledge, to be announced before the start of the United Nations Climate Summit on Tuesday, to decrease greenhouse gas emissions by 80 percent by 2050 from 2005 levels. The United Nations has pointed to that rate of decrease as a desired target for developed countries to mitigate the effects of climate change.

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