this post was submitted on 15 May 2024
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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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Under the surface - The hidden crisis in Europe's groundwater (europeanwaters.eu)
submitted 6 months ago by solo@kbin.earth to c/climate@slrpnk.net
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Altogether, 14 journalists from seven countries analysed the most up-to-date EU figures and created an interactive map of Europe’s aquifers. The conclusion is that our water is disappearing and what remains is facing near-irreversible pollution. Over 15% of the aquifers mapped are in poor condition — dangerously overexploited, contaminated or both. This figure represents 26% of the aquifers by surface area. And the worst affected are important crop-producing countries, like Spain, France, Belgium, and the Netherlands.

But the picture is incomplete. The EU requires all member states and Iceland and Norway to give data on the state of their aquifers. Out of these 29 countries, 16 submitted full, publicly accessible data, with Germany’s and Portugal’s only partially accessible. Eleven countries are not included in the map at all [...]

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