Supposedly we can stop climate change for $600 billion.
Given social realities and our thirst for growth, I think we should be aiming higher, for full renewable: $73 trillion. https://e360.yale.edu/digest/the-global-price-tag-for-100-percent-renewable-energy-73-trillion
I posted this in January 2020 during week 2391.
For more, you should follow me on the fediverse: @hans@gerwitz.com