The WWF have a carbon footprint calculator on their website.
I ran through it yesterday to see where I am on that score.
Looks like the house is where most of my carbon comes from. It’s kept fairly warm, so maybe I can cut back on the heating. Other than that I don’t see much scope for improvement.
Food energy is surprisingly high. A fair proportion of what I eat is stuff that comes from abroad: pasta; passata; peppers; pulses… My diet would be pretty boring without these items. Maybe I can try to reduce the quantity.
Anyway, the calculator is here if you want to give it a go: