See Tainter's work on the collapse of complex systems, and watch this nice video from B. Sid Smith. [0]

[0] https://www.youtube.com/watch?v=5WPB2u8EzL8

+1.5°C

We are literally and figuratively shitting where we eat on a global scale.

Ecosystems we dependon for survival are shrinking, becoming I hospitable to life or straight up disappearing.