this post was submitted on 09 May 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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Images of a Brazilian City Underwater | Torrential rains have caused one of Brazil’s worst floods in modern history, leaving more than 100 dead and nearly an entire state submerged. (www.nytimes.com)
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Climate experts say the region is reeling from the effects of El Niño, the cyclical climate phenomenon that can bring heavy rains to Brazil’s southern regions while causing drought in the Amazon rainforest.

But the effects of El Niño have been exacerbated by a mix of climate change, deforestation and haphazard urbanization, according to Mercedes Bustamante, an ecologist and professor at the University of Brasília.

“You’re really looking at a recipe for disaster,” said Dr. Bustamante, who has written several reports for the Intergovernmental Panel on Climate Change, a body of experts convened by the United Nations.

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[–] Taleya@aussie.zone 3 points 6 months ago

They never are.