Economic Times: A new study has determined that cities are being unfairly blamed for most of humanity’s greenhouse gas emissions and this threatens efforts to tackle climate change, as cities are part of the solution and not the problem. The study, which appears in the October 2008 issue of the journal Environment and Urbanization, says cities are often blamed for 75 to 80 percent of emissions, but that the true value is closer to 40 percent. It added that the potential for cities to help …