this post was submitted on 28 Mar 2025
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Climate - truthful information about climate, related activism and politics.

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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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If sea levels are rising, why is the Maldives still above water? (science.feedback.org)
submitted 3 weeks ago by [email protected] to c/[email protected]
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Main Takeaways:

  • Sea level rise is a long-term effect of climate change. In fact, the oceans are expected to continue rising for centuries even if we stop emitting greenhouse gas now. Scientists expect that the threat from rising sea levels to the Maldives will only grow.
  • Atoll islands like those in the Maldives are capable of naturally changing shape as their surrounding sea level rises. This can result in islands gaining land area, but even growing islands are menaced by climate change. Rising sea levels and warming waters make floods more frequent, and they threaten valuable coastal ecosystems like mangroves and coral reefs.
  • The people and government of the Maldives are adapting as well, by constructing sea walls around inhabited islands and making new land through land reclamation.
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