Clothing could be a big issue. Reading Marie Kondo's book on tidying and discarding. Excessive buying in culture is a problem. Too much stuffor in our homes. To much clothes. Clothes we That are only wore once. Here's a great article to read. https://www.theguardian.com/sustainable-business/2016/feb/23/marie-kondo-joy-decluttering-waste-recycling-clothes-peak-stuff
This ties into Why is to important to educate girls: https://www.brookings.edu/blog/future-development/2016/02/16/climate-change-fertility-and-girls-education/