Paul Beckwith
banner
paulhbeckwith.bsky.social
Paul Beckwith
@paulhbeckwith.bsky.social
Climate Systems Scientist
Website: PaulBeckwith.net
YouTube Channel: https://youtube.com/@paulhbeckwith?si=3ijcLGbn7mZgQZHM
Reposted by Paul Beckwith
It's a powerful feedback loop: more ice shelf melting changes salinities which generates more ocean turbulence, which in turn causes more melting — with major implications for ice shelf stability and global sea level rise. (arrow shows max melt ratio)

Paper in @nature.com Geoscience ▶️ rdcu.be/eQEEg
November 19, 2025 at 3:48 AM
Reposted by Paul Beckwith
The Malthusian Trap: A Modern Framework for Population Growth and Climate-Induced Resource Scarcity
Version 2 – October 2025
Updated preprint expanding the framework with new chapters.

Zenodo: doi.org/10.5281/zeno...

SSRN: ssrn.com/abstract=549...
The Malthusian Trap: A Modern Framework for Population Growth and Climate-Induced Resource Scarcity
This paper revisits Thomas Malthus’ classical concept of the “Malthusian Trap” and updates it for the 21st century. It argues that climate change, environmental degradation, and resource scarcity are ...
doi.org
November 16, 2025 at 5:57 PM
Switch the problem around, with 5 billionaires on one end, and one person living in abject poverty on the other end. What do you choose then?
November 16, 2025 at 10:37 PM
Reposted by Paul Beckwith
These estimates build on a broader literature of current policy estimates that I reviewed in a recent paper in Dialogues on Climate Change earlier this year: journals.sagepub.com...
November 14, 2025 at 6:52 PM