Earlier quoted context omitted.
A counter argument is that US has a very developed suburban living culture with families living in houses. And while obviously this is comfortable living, you then need a car to get to the city center. Having said that, I agree that nothing beats the walkability of European cities, quality of living wise. US has a lot to learn from that.
This type of urban design is unsustainable. It is the reason why the US is number one at producing greenhouse gases.
This is incorrect. China currently holds this spot. https://en.wikipedia.org/wiki/List_of_countries_by_greenhous...