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Ecological overshoot expressed in terms of how many Earths equivalent of natural resources are consumed by humanity each year. Ecological overshoot is the phenomenon which occurs when the demands made on a natural ecosystem exceed its regenerative capacity. Global ecological overshoot occurs when the demands made by humanity exceed what the ...
The scientific community has been investigating the causes of climate change for decades. After thousands of studies, the scientific consensus is that it is "unequivocal that human influence has warmed the atmosphere, ocean and land since pre-industrial times." [1]: 3 This consensus is supported by around 200 scientific organizations worldwide. [2]
There is a near-complete scientific consensus that the climate is warming and that this is caused by human activities. As of 2019, agreement in recent literature reached over 99%. [ 436 ] [ 437 ] No scientific body of national or international standing disagrees with this view . [ 442 ]
A 2019 review of scientific papers found the consensus on the cause of climate change to be at 100%, [6] and a 2021 study concluded that over 99% of scientific papers agree on the human cause of climate change. [7] The small percentage of papers that disagreed with the consensus often contained errors or could not be replicated. [8]
In climate science, a tipping point is a critical threshold that, when crossed, leads to large, accelerating and often irreversible changes in the climate system. [3] If tipping points are crossed, they are likely to have severe impacts on human society and may accelerate global warming.
Overexploitation, also called overharvesting or ecological overshoot, refers to harvesting a renewable resource to the point of diminishing returns. [2] Continued overexploitation can lead to the destruction of the resource, as it will be unable to replenish.
World leaders are meeting in Paris this month in what amounts to a last-ditch effort to avert the worst ravages of climate change. Climatologists now say that the best case scenario — assuming immediate and dramatic emissions curbs — is that planetary surface temperatures will increase by at least 2 degrees Celsius in the coming decades.
A climate apocalypse is a term used to denote a predicted scenario involving the global collapse of human civilization due to climate change. Such collapse could theoretically arrive through a set of interrelated concurrent factors such as famine, extreme weather , war and conflict, and disease. [ 1 ]