Carbon Footprint

I was shocked at first on how big my carbon footprint was at first. I found out that by eating less meat and flying less helped make my carbon footprint smaller. Also I found out by car pooling will help decrease my footprint. At first I was at 4.3 Earths and 21.7 Tons of CO2. After making changes to my lifestyle I now use create 15.9 tons of CO2 and use 3.4 earths. Some changes I cant make like live in a "green" home since i live in a dorm or buy a fuel efficient car. I think if in order to help the planet we need to change our lifestyles.