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An argument for space colonization is to mitigate proposed impacts of overpopulation of Earth, such as resource depletion. [214] If the resources of space were opened to use and viable life-supporting habitats were built, Earth would no longer define the limitations of growth.
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.
The Global Footprint Network purports to be able to measure how much the human economy demands against what the Earth can renew. [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]
Jane Goodall's comments at Davos may seem harmless, but they reflect a dangerous misreading of the climate crisis that needs to be challenged.
In 2007, Jeffrey Sachs gave a number of lectures (2007 Reith Lectures) about population planning and overpopulation. In his lectures, called "Bursting at the Seams", he featured an integrated approach that would deal with a number of problems associated with overpopulation and poverty reduction. For example, when criticized for advocating ...
Many studies have tried to estimate the world's sustainable population for humans, that is, the maximum population the world can host. [5] A 2004 meta-analysis of 69 such studies from 1694 until 2001 found the average predicted maximum number of people the Earth would ever have was 7.7 billion people, with lower and upper meta-bounds at 0.65 and 9.8 billion people, respectively.
Absolute increase in global human population per year [1]. Population growth is the increase in the number of people in a population or dispersed group. The global population has grown from 1 billion in 1800 to 8.2 billion in 2025. [2]
We need more humans. That’s the message from two of the world’s richest billionaires, Amazon founder Jeff Bezos and Tesla CEO Elon Musk. While the two compete in the space business—Bezos ...