Paul R. Ehrlich
American biologist
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| 2022 | Ehrlich and colleague Rodolfo Dirzo published a perspective paper arguing for reducing fertility rates among wealthy and middle classes, and addressing wasteful consumption to mitigate the contemporary extinction crisis. |
| 2022 | Contributed to the 'Scientists' warning on population' published in Science of the Total Environment, estimating a sustainable global population between 2 and 4 billion people. |
| 2018 | Published 'Jaws: The Story of a Hidden Epidemic' with Sandra Kahn, expanding his research into diverse environmental and health-related topics. |
| 2018 | Ehrlich gave an interview to The Guardian where he acknowledged weaknesses in his book 'The Population Bomb', particularly noting the lack of emphasis on overconsumption and inequality, and addressing accusations of racism. |
| 2018 | Ehrlich emphasized his view that the optimum global population size is between 1.5 and 2 billion people. |
| 2014 | Co-authored 'Hope on Earth: A Conversation' with Michael Charles Tobias, discussing environmental sustainability and human impact. |
| 2011 | As the world's population reached seven billion, Ehrlich argued that the next two billion people would cause more environmental damage than previous billions, highlighting increasing resource extraction challenges. |
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