this post was submitted on 31 Mar 2026
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Climate

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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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Water stress by country, measured as freshwater withdrawals relative to renewable water resources (2022) (infosec.pub)
submitted 15 hours ago by Innerworld@lemmy.world to c/climate@slrpnk.net
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[โ€“] cravl@slrpnk.net 1 points 12 hours ago (1 children)

Two random guesses:

  1. The UK has been inhabited for longer and thus many more of its aquifers may have been tapped.
  2. Despite being fairly arid, Australia is just massive comparatively. In combination with number 1, it may have huge aquifers under uninhabited arid regions that are close to full.
[โ€“] CheeseNoodle@lemmy.world 1 points 5 hours ago

The UK has very fucked up land management, virtually all the capacity of the land to hold onto water has been destroyed in favour of dumping it into the sea as quickly as possible, the result is a country thats prone to both floods and droughts.