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Innerworld@lemmy.world to Climate@slrpnk.netEnglish · 1 day ago

Global seawater levels significantly higher than previously thought, putting tens of millions more people at risk; the problem is greatest in the Global South, the Pacific, and Southeast Asia

apnews.com

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Global seawater levels significantly higher than previously thought, putting tens of millions more people at risk; the problem is greatest in the Global South, the Pacific, and Southeast Asia

apnews.com

Innerworld@lemmy.world to Climate@slrpnk.netEnglish · 1 day ago
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  • cross-posted to:
  • climate_lm@slrpnk.net
  • earthscience@mander.xyz
  • news@lemmings.world
  • greenparty@lemmy.today
The sea is higher than we thought and millions more are at risk, study finds
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A new study in the journal Nature says most sea level rise research may have underestimated coastal water heights by an average of 1 foot or about 30 centimeters.
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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.

As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

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.

Recommended actions to cut greenhouse gas emissions in the near future:

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