And then I thought "How much bigger do I want to make my carbon footprint?", and bought an electric stove with an induction cooktop.
I think it depends whether your primary motivation is cooking performance or environmental performance. Induction still cycles. Gas doesn't - the heat is constant.
Currently I have gas hob and a portable induction ring. I'm now thinking of going with an induction hob and portable gas ring with a plug in point by the hob, for the wok and heavy plate.