“The chance that there will be any permanent ice left in the Arctic after 2022 is essentially zero,” Anderson said, with 75-80% of permanent ice having melted already in the last 35 years “Can we lose 75-80% of permanent ice and recover? The answer is no"https://www.forbes.com/sites/jeffmcmahon/2018/01/15/carbon-pollution-has-shoved-the-climate-backward-at-least-12-million-years-harvard-scientist-says/#31f76492963e …
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Rapid deglaciation of West Antarctica beginning this decade is quite possible. “marine ice-sheet instability” has haunted climate scientists for the past four decades.https://www.theatlantic.com/science/archive/2019/09/ipcc-sea-level-rise-report/598765 …
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Most tropical corals die at 1.5°C (70-90%).
We hit 1.5C in the 2020s:
https://twitter.com/WMO/status/1223273869202665474?s=19 …
2°C of global warming (2029 - 2039) means the destruction of 99% of the world’s tropical reefs. https://interactive.carbonbrief.org/can-great-barrier-reef-survive-climate-change/ …
Even stopping emissions immediately wouldn't save them.Prikaži ovu nit -
In 2017, scientists showed that unstoppable collapse of world tropical rainforests due to fragmentation was maybe just several years away, even with relatively minor deforestation. Scientists now say that fragmentation is *increasing*. Already too late?https://phys.org/news/2018-02-theory-physics-fragmentation-tropical-forests.amp …
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Water: Four billion living in regions of high water stress by 2030 says the UN, and that doesn't take into account abrupt warming from feedbacks. 600 million people in India alone will have no access to drinking water by 2030 according to a recent report.https://twitter.com/ClimateBen/status/1141763394690789378?s=19 …
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Megacities are threatened by rapid sea level rise, unprecedented heat waves, and water & food insecurity.https://twitter.com/ClimateBen/status/1190419751866183681?s=19 …
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In theory we could hit 3.5C by mid-century. There is peer-reviewed science suggesting this. How many species could survive such rapid warming?https://twitter.com/ClimateBen/status/1212010617663565825?s=19 …
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Kraj razgovora
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permafrost melt / methane feedback loop drives 1&2. This'll bring about significant climate change in the Northern Hemisphere. A failure of the NH harvest then becomes fairly likely. Thus 5&6 look almost irrelevant. A global famine inside 5-10 years can be envisioned.
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Item 4. I can already confirm most of our wet forests/rainforests have now incinerated. I think we're in front of the target.
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Our greed will ensure we do nothing about it. The worst species in the history of earth. We deserve this!
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Čini se da učitavanje traje već neko vrijeme.
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