Cohen's mathematical research on population demographics has been key to improving our understanding of population trends and providing guidance for policy decisions.
He has made important contributions to the understanding of food webs in natural and human-made ecosystems and developed realistic, unbiased models of population growth and the carrying capacity of earth.
He developed a mathematical model to explain the relationship between population growth and resource availability, known as the "Cohen model."
This model helped to demonstrate the complex interactions between population dynamics and resource use.
Cohen and his colleagues developed the Human Development Index (HDI), a measure of human well-being that takes into account factors such as life expectancy, education, and income.
The HDI is now widely used by policymakers and researchers to evaluate the overall well-being of a country's population.
Awarded the Tyler Prize for Environmental Achievement.
Cohen published the book "How Many People Can the Earth Support?" which explores the challenges of global sustainability and the role of population growth in environmental degradation.
The book has been influential in shaping discussions on sustainability and the relationship between human populations and the environment.
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The Tyler Prize is administered by the University of Southern California.
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