this post was submitted on 15 Sep 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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Although Africa produces only a fraction of the world’s greenhouse gas emissions, Africans bear an exceptionally heavy burden from climate change, according to the World Meteorological Organization.

And adapting to it will cost sub-Saharan Africa $30 billion to $50 billion annually over the next decade, or 2 to 3 percent of the region’s gross domestic product, it said.

“The impact of climate change is what we’re witnessing right now,” said Olasunkanmi Okunola, a scientist whose study focuses on flood risk management and climate adaptation. “There’s no way we can prevent major disasters from happening, but there are steps we can take to lessen the effect.”

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