In USA, I hope we can talk about: The amount of plastic in junk mail. Maybe instead of stamps, we sell envelopes without a window. The concentration of plasti

In USA, I hope we can talk about: The amount of plastic in junk mail. Maybe instead of stamps, we sell envelopes without a window. The concentration of plastics in receipts. Maybe we replace those printers with photographable screens, and have a separate lane for people desiring print. Receipts expose you to far more plastic than more-emotionally-attentive items like shampoo.