How Does a City Get to Zero Carbon Emissions?

Governing: Eight years ago, Austin, Texas, set a lofty goal: Its facilities, fleets and leading utility would be carbon-neutral by 2020. Since then, as concerns over climate change have mounted, more and more governments have followed suit. So far four states and 34 cities have committed to reducing greenhouse gas emissions by 80 to 100 percent by 2050.

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