Scaling in Human Societies

A growing societal scale–rising population and increasing technological prowess–raises the question of what severe risks that scale may pose. [Read More]

Growing scale raises concerns about the stability of ecosystems and resulting risk of harm to human civilization. [Read More]

As societies grow, they may run a risk of depleting critical resources. Here we review some general concepts in assessing natural resource availability and consider a few specific cases. [Read More]

IPAT, I=PAT, or Impact = Population × Affluence × Technology, is a simple framework that allows us to understand how much various factors contribute to an overall impact. Here we consider the development of IPAT and variations. [Read More]

This article is Version 2. Version 1 can be found here. [Read More]