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Modern proponents of the concept have suggested that overpopulation, population growth and overconsumption are interdependent [25] [26] [27] and collectively are the primary drivers of human-caused environmental problems such as climate change [28] [29] and biodiversity loss.
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 ...
If Earth is not ejected during a stellar encounter, then its orbit will decay via gravitational radiation until it collides with the Sun in 10 20 (100 quintillion) years. [110] If proton decay can occur and Earth is ejected to intergalactic space, then it will last around 10 38 (100 undecillion) years before evaporating into radiation. [111]
Global population decline would begin to counteract the negative effects of human overpopulation. There have been many estimates of Earth's carrying capacity, each generally predicting a high-low range of maximum human population possible. The lowest low estimate is less than one billion, the highest high estimate is over one trillion. [21]
Six of the Earth's seven continents are permanently inhabited on a large scale. Asia is the most populous continent, with its 4.64 billion inhabitants accounting for 60% of the world population. Asia is the most populous continent, with its 4.64 billion inhabitants accounting for 60% of the world population.
Visionaries of 1925 made their best guesses about the 21st century. Predictions included world peace, food shortages and 150-year-old people.
Artist's concept of the Earth 5–7.5 billion years from now, when the Sun has become a red giant. While the future cannot be predicted with certainty, present understanding in various scientific fields allows for the prediction of some far-future events, if only in the broadest outline.
The IEA forecasts a major oil supply glut in 2025, and even if OPEC+ continues to limit production, it won't be enough to address the overhang.