Brava Shuk-Wah! For me doing what I do for the nature therefore for all of us at the end, makes a difference to own conscience, first of all and second of all, like any other human habits, that have started at same point with one or handful of individuals…I’m very far from zero waste, but I’m on menstrual cup and I talk about (I can believe some women continues to wear mini diapers :) I have a tote bag on me all the time and I re-uses my plastic botlle of water as long as possible and recycle it at same point…