We already have solutions in place being implemented in the next 10 - 15 years for electric cars and car-based carbon emissions. So carbon based commuting is go

We already have solutions in place being implemented in the next 10 - 15 years for electric cars and car-based carbon emissions. So carbon based commuting is going to get fixed. People in the U.S. won't be living in dystopian China-style 40 floor housing anytime soon, in ways that is sounds like you're hoping for with dense city living.