How to Calculate Your Carbon Footprint
Watch more How to Help Save the Environment videos: http://www.howcast.com/videos/183885-How-to-Calculate-Your-Carbon-Footprint A carbon footprint is an equation that estimates just how much you, personally, are contributing to global warming—and all you have to do is plug some info into an online calculator. Figuring out how to make your footprint smaller, of course, is another m Step … Read more