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Most heat energy from global warming goes into the ocean, and not into the atmosphere or warming up the land. [ 49 ] [ 50 ] Scientists realized over 30 years ago the ocean was a key fingerprint of human impact on climate change and "the best opportunity for major improvement in our understanding of climate sensitivity is probably monitoring of ...
The hypothesis is that changes in fluxes in upper intermediate waters in the ocean caused temperature fluctuations that alternately accumulated and occasionally released methane clathrate on upper continental slopes. This would have had an immediate impact on the global temperature, as methane is a much more powerful greenhouse gas than carbon ...
It is clear that the ocean is warming as a result of climate change, and this rate of warming is increasing. [2]: 9 The global ocean was the warmest it had ever been recorded by humans in 2022. [13] This is determined by the ocean heat content, which exceeded the previous 2021 maximum in 2022. [13]
Deforestation is the main land use change contributor to global warming, [126] as the destroyed trees release CO 2, and are not replaced by new trees, removing that carbon sink. [127] Between 2001 and 2018, 27% of deforestation was from permanent clearing to enable agricultural expansion for crops and livestock.
Ocean acidification is now on a path to reach lower pH levels than at any other point in the last 300 million years. [83] [73] The rate of ocean acidification (i.e. the rate of change in pH value) is also estimated to be unprecedented over that same time scale. [84] [14] These expected changes are considered unprecedented in the geological record.
Venus' oceans may have boiled away in a runaway greenhouse effect. A runaway greenhouse effect involving carbon dioxide and water vapor likely occurred on Venus. [22] In this scenario, early Venus may have had a global ocean if the outgoing thermal radiation was below the Simpson–Nakajima limit but above the moist greenhouse limit. [2]
Because clouds remain a major source of uncertainty in climate change, some research projects into cloud reflectivity in the general climate change context have provided insight into marine cloud brightening specifically. For example, one project released smoke behind ships in the Pacific Ocean and monitored the particulates' impact on clouds. [26]
The long-form article depicts a worst-case scenario of what might happen in the near-future due to global warming. The story was the most-read article in the history of the magazine. [1] [2] The article became the inspiration for The Uninhabitable Earth: Life After Warming, a book-length treatment of the ideas explored in the original essay. [3]