The previous story mentions the C40 Climate Leadership Group which enlists cities in the effort to make adaptations to climate change.
Houston is one of 10 global cities designated as a "steering committee." I;m not clear on what that means, but it sounds impressive (Dallas ain't on the list).
Here it highlights a recent CNN story highlighting Houston's efforts, along with Seoul and Rio de Janeiro, to shift to renewable energy. The previous stories point is that while political disputes are hampering the ability of states and the nation to address these issues, cities are plowing right ahead.
It might be worth studying whether these is something in the governing structure of cities that allows them to move quicker on these issues than the other two levels of government.