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floofloof@lemmy.ca to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 2 days ago

Scientists issue dire warning after sudden shift on remote island raises alarm: 'Most years it doesn't come at all'

www.thecooldown.com

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Scientists issue dire warning after sudden shift on remote island raises alarm: 'Most years it doesn't come at all'

www.thecooldown.com

floofloof@lemmy.ca to Climate - truthful information about climate, related activism and politics.@slrpnk.netEnglish · 2 days ago
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The disappearance of sea ice has devastated St. Paul Island's wildlife and the small native population's way of life.
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    2 days ago

    In 2015 a biologist from Alaska told me about the ~40,000 seabirds that had all starved to death, at ground zero on his bay, in a matter of weeks. He had been studying these murres for years, and he cried as he described the horror of it all. It was the start of the 4,000,000 bird die-off, which was apparently not newsworthy.

    I don’t remember many conversations in my life, but this silenced alarm hit hard, because I saw that our mass extinction had arrived.

    https://www.audubon.org/magazine/single-heatwave-killed-half-alaskas-common-murres-shocking-new-study-reveals

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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

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How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world.  About 1C of total warming.  Second chart:  about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability.  Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases.  About 0.5C of cooling with large error bars from SO2.

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