The United States carbon dioxide emissions in tons per capita. In the U.S., our greenhouse gas emissions come mostly from energy use.
Environmental Protection Agency: Carbon Dioxide - http://www.epa.gov/climatechange/emissions/co2.html
Carbon dioxide (CO2) is emitted in a number of ways. It is emitted naturally through the carbon cycle and through human activities like the burning of fossil fuels.
Be Green Now - http://www.begreennow.com/users/calculator
To do your part in the fight against global warming, there are two actions you can take, now: 1) Reduce — when you incorporate some of our easy-to-follow reduction tips into your lifestyle, you’ll quickly begin lowering the size of your carbon footprint; 2) Offset — while it’s nearly impossible to reduce your carbon footprint to zero, you can use our carbon calculator to offset what remains and neutralize the negative impact your life creates.