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In the 2000s, E. O. Wilson and Ron Nielsen discussed overpopulation as a threat to the quality of human life. [ 114 ] [ 115 ] : 37–39 [ non-primary source needed ] In 2011, Pentti Linkola argued that human overpopulation represents a threat to Earth's biosphere .
The Global 2000 Report to the President was a 1980 report commissioned by President Jimmy Carter. It warned that world population growth , pollution and resource depletion would have dramatic consequences by the year 2000 if no changes in public policy were made.
Overpopulation or overabundance is a state in which the population of a species is larger than the carrying capacity of its environment.This may be caused by increased birth rates, lowered mortality rates, reduced predation or large scale migration, leading to an overabundant species and other animals in the ecosystem competing for food, space, and resources.
Californians for Population Stabilization; Center for Biological Diversity; Earth Policy Institute; National Commission for the Observance of World Population Year 1974
Estimates published in the early 2000s tended to predict that the population of Earth would stop increasing around 2070. [16] For example in a 2004 long-term prospective report, the United Nations Population Division projected that world population would peak at 9.2 billion in 2075 and then stabilize at a value close to 9 billion out to as far ...
A lecture that Ehrlich gave on the topic of overpopulation at the Commonwealth Club of California was broadcast by radio in April 1967. [22] The success of the lecture caused further publicity, and the suggestion from David Brower the executive director of the environmentalist Sierra Club , and Ian Ballantine of Ballantine Books to write a book ...
[13] [14] The Optimum Population Trust (now called Population Matters) has listed what they believe is the overshoot (overpopulation) of a number of countries, based on the above. [15] In one study [16] published in January 2021 in Frontiers in Conservation Science, the significance of overshoot is discussed.
Don't Panic — The Truth about Population is a 2013 documentary about human overpopulation produced by Wingspan Productions and The Open University for the BBC as part of the This World series and presented by Swedish statistician Hans Rosling of the Gapminder Foundation.