this post was submitted on 09 May 2024
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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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The world's oceans just broke on an important climate change record (www.salon.com)
submitted 6 months ago* (last edited 6 months ago) by jeffw@lemmy.world to c/climate@slrpnk.net
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[–] myrmidex@slrpnk.net 9 points 6 months ago (1 children)

“I think we are headed for major societal disruption within the next five years,” said Gretta Pecl, at the University of Tasmania. “[Authorities] will be overwhelmed by extreme event after extreme event, food production will be disrupted. I could not feel greater despair over the future.”

In The Guardian yesterday

[–] myrmidex@slrpnk.net 7 points 6 months ago* (last edited 6 months ago)

One book I read predicted societal disruption for 2035, with a total collapse of nations around 2050. I found it overly dramatic at the time, but now, 15 years later, it seems we're well ahead of that prediction.