Green Living
The city becomes the 27th in the U.S. to pledge to go totally green.
Bernie Sanders has already co-sponsored the legislation.
WHAT'S HAPPENING
Copenhagen has already reduced its carbon emissions by more than 40 percent since 1990.
Privatizing the $57 million program could upend entire industries and kneecap cities' efforts to cut greenhouse gas emissions.
Environmentalism can actually strengthen and support business