Geography Isn't Destiny: Chicago Tops Global City Climate Resilience Ranking
How Climate Resilient Are the Largest Cities?
AlphaGeo's Climate Risk & Resilience Index (CRRI) ranks 72 major cities by physical climate risk and resilience-adjusted risk (RAJ). The analysis reveals that adaptation can cut risk by up to 33 points, with South Asian megacities like Ahmedabad and Dhaka facing the highest residual risk, while Chicago, Addis Ababa, and Buenos Aires lead in resilience. Chinese cities show the highest adaptation efficiency, and the report highlights mispriced risk in South Asia for investors.
Geography is not destiny.
- comrade1234
There's a very cool project wrapping up here in Zurich where they built a relief tunnel from the sihl river underground downhill to lake Zurich to handle 500-years floods.
One weekend they let people walk the length of the tunnel from the river to the lake. It was a pretty steep slope and about 3/4 down the walls of the tunnel changed from smooth to rough. They had calculated how fast the water would be moving when it hits the rough part and then how much that would slow it down.
Then at the bottom instead of emptying directly into the lake it comes flying out of the tunnel and smashes into a giant cement wall then flows under a roadway into the lake.
Cost was $200 million. A 500-year flood would flood downtown Zurich.
https://www.zh.ch/de/planen-bauen/wasserbau/wasserbauprojekt...
- nwatson
São Paulo is in the "green" but they were supposedly around two weeks from running out of water for municipal distribution in 2014/2015. A city of that size without water would not do well.
https://en.wikipedia.org/wiki/2014%E2%80%932017_Brazilian_dr...
https://www.smartcitiesdive.com/ex/sustainablecitiescollecti...
EDIT: added timeframe
- drewg123
How is Miami not near the bottom of the list? Every time there is a moderate rainfall, streets flood like crazy. Plus we are in hurricane alley, and some models project that most of the Florida peninsula will be under water in 50-100 years.
- waterthrowaway
For a USA county level assesment of climate risk I reccomend this site https://map.climatevulnerabilityindex.org/map/cvi_overall/us...
- hamburga
Chicago resident here.
Not disputing the methodology, but our state is the nation's leader in tornadoes (by more than a factor of 2) due to Niña/Niño this year, and Chicago spent a few days this summer with the world's worst air quality due to Canadian wildfire smoke.
Obviously, "resilient" ⍯ "unaffected".