this post was submitted on 31 Aug 2023
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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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Los efectos del cambio climático en la actividad económica de América Latina y el Caribe: una perspectiva empírica (www.cepal.org)
submitted 1 year ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] meyotch@slrpnk.net 1 points 1 year ago (2 children)

Arg, it seems to be an anti-scraping mechanism from the source website. May require research to see how to provide an English abstract, I would resort to simple copy paste, if you feel it is a positive contribution.

[–] AnnCognito@earthstream.social 1 points 1 year ago

@meyotch it looks like an article that matters… one of those moments when I wish tech and I got along better

[–] meyotch@slrpnk.net 1 points 1 year ago

Pasted translation for interested anglophiles:

In this report, historical fluctuations in temperature and rainfall in Latin America and the Caribbean are used to identify their causal effects on economic performance for the period 1970-2020. The results indicate that, on average, for the countries of Latin America and the Caribbean, an increase of 1 °C in the average annual temperature decreases the growth rate of GDP per capita by 1 percentage point and that the effects are persistent and do not reverse in the medium term. These impacts at the city level are also examined using quarterly data from night lights captured by satellites and the existence of adverse effects associated with rising temperatures is verified. This confirms that the impact of temperatures is not limited to the agricultural sector, Rather, it affects the production system as a whole, and can materialize through sudden shocks associated with extreme weather events and not just a trend increase in temperatures. Lastly, the report projects the possible losses associated with various scenarios of rising temperatures and shows how ambitious global climate action could reduce possible losses for the region by a quarter by 2100.