Most of the USA cities turned to be a cool city without the government's help.They did quite a good work and here are some examples of it: Iowa - first municipal utility to install its own wind Turbines.
In Klamath Falls, Oregon, a geothermal district heating system keeps the sidewalks clear and dry.
Seattle - reduced its own global warming pollution by more than 60 percent by constructing green buildings and operating alternative fuel vehicles.
Washington, D.C - replaced 414 of its polluting diesel buses with cleaner burning, compressed natural gas buses.
Houston, Texas – all vehicles will become hybrid by 2010.
Salt Lake city, Utah - saves over $32,000 a year on its energy costs as a result of installing 861 light emitting diode (LED) traffic signals.
Columbia. Missouri – working to produce 10% of their electricity with clean energy like wind and solar power by 2015.
Twin falls. Idaho – schools increased their energy efficiency which caused to reduce the cost by $3.5 million.
St. Paul, Minnesota – Warm the buildings using District Energy’s energy-efficient combined heat and power (CHP) system.
Fort Collins, Colorado – use renewable energy such as wind and solar which is now producing 15% of the city’s electricity.a
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