Climate change: "Carbon footprint" enters everyday vocabulary - Yahoo! News

Climate change: "Carbon footprint" enters everyday vocabulary - Yahoo! News: "Individuals keen on reducing their 'carbon footprint' -- the dangerous greenhouse gas that each of us emit through our purchases and activities -- can now turn to a multiplying panoply of tools to calculate their pollution, reduce it or compensate for it. 'Our daily habits are responsible for 50 percent of greenhouse gas emissions,' says France's Agency for the Environment and Control of Energy (ADEME)."