this post was submitted on 02 Jul 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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At least eight people die in record-breaking heatwave across Europe (www.aljazeera.com)
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[–] [email protected] 1 points 2 days ago* (last edited 2 days ago)

The heat stress also makes CVD worse, for similar reasons.

We'll probably learn about it from the Excess Death stats, but that also needs to be disentangled from the ongoing COVID-19 pandemic.

A physiological approach for assessing human survivability and liveability to heat in a changing climate https://www.nature.com/articles/s41467-023-43121-5