Five ways we can cut carbon emissions for cleaner living

1.5 Megawatt wind turbines sit in a field at sunset just south of Lamar, Colorado, U.S., on Friday, Nov. 6, 2009. The 162 megawatt (MW) Colorado Green Wind Power Project is a jointly owned by Iberdrola Renewables and Shell WindEnergy. The power produced at the facility is being purchased by Xcel Energy to serve its Colorado-based customers. [Matthew Staver, Bloomberg]