Calculate your carbon footprint with this easy to use calculator software. Enter in data to figure CO2 generated from activities including transportation, energy, trash or waste, recreation, purchasing habits, food, and more. Learn where you can go green by calculating your carbon footprint and then focusing on areas where you can make the most positive impact on the environment. The software gives you CO2 footprint details from each category. For transportation you can enter in up to 6 different cars and their respective fuel efficiency, airline travel, bus travel, and rail travel. To figure your energy use and carbon footprint, you can enter in your location, number of people in your house, as well as energy use from fuel oil, natural gas, and electricity. Also included are indirect carbon footprint categories like recreation habits, purchasing habits, waste, recycling participation, food, and more. Different units are available so you can calculate your carbon footprint in metric units or English. You can also print out a summary of your carbon footprint results.