I can only compare roughly, but I compared my footprint now, which is 0.4 Earths http://joshuaspodek.com/my-ecological-footprint, with the average American, which is 5.0 https://en.wikipedia.org/wiki/Ecological_footprint. I figure I contributed about average for American before.

My TEDx talks cover some of the major changes http://joshuaspodek.com/my-tedx-talk-is-online-find-your-del.... The important part was shedding the myths erroneously justifying flying or packaged food. Then practicing and finding the joy, community, and connection that life is about when you avoid polluting behavior.