…eenhouse gases is the manufacturing of products, which emitted 4.1 tons of CO2e per person in 2019. To help, we could buy fewer products or be more conscious about buying products that have a lower carbon footprint.
Product labelling. Just like all packaged food comes with nutritional labelling, all products should come with a full list of products used in manufacture and the footprint of the whole lot. Minus shipping because that will depend on too many factors. A lot of people won't care (we're still eating fast food, after all) but some people will and that's good enough.