this post was submitted on 08 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.

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More and faster: Electricity from clean sources reaches 30% of global total (apnews.com)
submitted 6 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Scientists say emissions from burning fuels like coal must ramp steeply down to protect Earth’s climate, yet there was an increase in electricity made from burning fossil fuels. China, India, Vietnam and Mexico were responsible for nearly all of the rise.

The report said some countries burned coal to make up for the loss of hydroelectric power they experienced when drought caused their reservoirs to dry up. This is an example of a vicious cycle — when climate change prompts the use of more of the substances that cause climate change in the first place.

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[–] SineIraEtStudio@midwest.social 17 points 6 months ago* (last edited 6 months ago) (4 children)

Good news we are increasing the percent from renewables. The pace leaves something to be desired though:

  • 23 years to increase 12% (2000 to 2023, 18% to 30%)

  • 12 years to increase 10% (2011 to 2023, 20% to 30%)

  • 6 years to increase 5% (2017 to 2023, 25% to 30%)

Based on the charts and write up, it seems like China is the main driver of us even making significant progress.

I'd like to be optimistic but 6 years to go 5% will have us totally renewable in 84 years (2023+[6x14]=2107).

[–] Skua@kbin.social 9 points 6 months ago* (last edited 6 months ago)

Ehhh it's a mixed blessing with China. The country's power consumption increased by an average of about 1,100 TWh per year during 2012-2022, which is outpacing the newly-added solar and wind generation in the article by a factor of four. It's great that they're adding so much clean power, quite the opposite that they're adding even more less clean power

Edit: I should add that these numbers don't specify hydro or nuclear capacity added. Not all of the gap is fossil fuels

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