What are ways I can leave the biggest possible carbon footprint ?

Drive the biggest SUV you can, keep your thermostat set at 60 in the summer and 90 in the winter (if that is too hot in the winter, I suggest leaving a couple of windows open as well), leave your lights on all the time and run as many appliances as often as possible. Also check with Al Gore. I under he has a monster carbon footprint and considered to be a master. The possibilities are endless!