Water usage is probably my biggest. Living in a high desert, my wife and MIL see no problem with filling one side of the sink with hot soapy water to wash a few dishes because “that’s just how I’ve always done it”, to watering the grass and plants for hours. All of this makes me mental.
Love the drops-fill-buckets mindset!
Piggy backing on your comment: for folks wanting to put their money to more ethical use, here are some resources:
These are mostly US and climate focused resources since that’s where I am. Would love to see other people’s resources too!