It seems you have made some major changes yourself bro. Kudos to you. Although it's possible that you had been doing some of those things you listed in some way, I think it's a great process to identify them specifically and take targeted action towards a more sustainable lifestyle. Respect to you bro. Keep going.

One thing I did at the start of the school year was to officially give up my parking space at work to commit to doing more walking daily and take the train.