Thank you for reminding us about externalities. Currently they aren't priced in the market. So if you want to do something about it you either have to price the

Thank you for reminding us about externalities. Currently they aren't priced in the market. So if you want to do something about it you either have to price them in with the govt (not likely to happen) or you have to invent something better. I'm saying, pull requests are welcome.