KnowraPaul R. EhrlichLinked fromLinked fromThe 3 pages that link to Paul R. Ehrlich, each with the reason it gives.All 3Related 2Compared with 1CornucopianismCompared with: His forecasts became a prominent target for Simon's optimism about resources and innovation.Garrett HardinRelated: Ehrlich’s population concerns closely aligned with Hardin’s warnings about ecological limits.Human overpopulationRelated: His warnings made overpopulation a prominent issue in late twentieth-century environmental debate.