It is indeed possible to have a city full of low-rise buildings that is still compact enough for excellent transit service—but only if most side streets are used for mid-rise buildings instead of houses.
States and cities are reacting to President Trump's withdrawal from the Paris Climate Agreement on Thursday. Three states formed the U.S. Climate Alliance; by Monday, it had grown to 13. Initially 30 mayors signed in support; it's now over 200.
Not all ideas are worth attention. What does the fact that ideas like Elon Musk's The Boring Company get so much attention say about the quality of civic discourse, or the potential for planning to improve the built environment?