One indication of how much global climate change has become a grassroots issue in the United States is the entry of carbon footprint considerations into everyday conversation. A carbon footprint is a measurement of how much carbon dioxide is emitted into the atmosphere as the result of a particular product, activity, or lifestyle. It is a way to measure the carbon “cost” of a particular activity or the carbon “savings” of changing that activity.
What’s your carbon footprint? Find out from
www.bp.com/en/global/corporate/sustainability/bp-energy-lab/calculator.html. Compare that with your ecological foot-print—that is, how many Earths we would have to have if everyone lived as you do.