Earth carrying capacity, Cory Bradshaw population biologist. TEDx, youtube 15 minutes
**https://www.youtube.com/watch?v=y68XO_huZdY**
Jeremy Grantham: “The Baby Bust: How The Toxicity Crisis Could Cause the Next Economic Crash, Nate Hagens, The great Simplification, 2 hr podcast.
**https://www.thegreatsimplification.com/episode/155-jeremy-grantham**