this post was submitted on 02 Jan 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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Evolution might stop humans from solving climate change, researchers say (phys.org)
submitted 10 months ago by GreyShuck@feddit.uk to c/climate@slrpnk.net
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Central features of human evolution may stop our species from resolving global environmental problems like climate change, says a recent study led by the University of Maine.

Humans have come to dominate the planet with tools and systems to exploit natural resources that were refined over thousands of years through the process of cultural adaptation to the environment. University of Maine evolutionary biologist Tim Waring wanted to know how this process of cultural adaptation to the environment might influence the goal of solving global environmental problems. What he found was counterintuitive.

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[–] perestroika@slrpnk.net 3 points 10 months ago* (last edited 10 months ago)

They essentially say that (better) international cooperation is required, and must be functional at the required (global) scale... and the other paragraph essentially cautions that "some might find it easier to take from neighbours", leading to war, which is a proven and terrible waste of nearly all resources.

I would note that while we don't have a global society, we do have a global information space (enabling different actors to understand the same data and to see a mutual failure as the end of certain actions, even if their viewpoint differs) - and we do have global trade. Arrangements where an economy making a transiton off fossil fuels, for example, enacts carbon use limits locally and simultaneously taxes carbon-intensive imports across its borders, would remove the biggest dis-incentive to transitioning - that of getting things cheaper by polluting somewhere else.