this post was submitted on 28 Apr 2026
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Climate

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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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Trump’s attempt to crush clean energy progress not going to plan, experts say (www.theguardian.com)
submitted 2 weeks ago by grimpy@lemmy.myserv.one to c/climate@slrpnk.net
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Donald Trump has wielded the full might of his administration to crush the progress of clean energy, which he has called a “scam” and “stupid”. But there are signs this assault is not going to plan.

In March, the US generated more of its electricity from renewable sources such as solar and wind than it did via gas, the first time clean energy has surpassed the planet-heating fossil fuel for a full month nationally, according to data from the Ember thinktank.

While this was just one month, it follows a record 2025 for renewable energy. The pipeline of new power coming online in the US is overwhelmingly green this year, too, with 93% of all electricity capacity added in 2026 set to come from solar, wind and batteries. Just 7% will come from the fossil fuels that are dangerously overheating our world.

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[–] Korhaka@sopuli.xyz 1 points 2 weeks ago (1 children)

I heard of people covering the cost of solar within a year in some extreme cases during the last energy crisis.

[–] bountygiver@lemmy.ml 2 points 2 weeks ago

Depends on the accounting, if you count panels only the cost gets recouped extremely fast. Most of the cost is on the inverter and labour cost of installing them.