this post was submitted on 20 Nov 2023
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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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Solar power due to overtake oil production investment for first time, IEA says (www.reuters.com)
submitted 11 months ago by MrMakabar to c/climate
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[–] MrMakabar 6 points 11 months ago (1 children)

Last year over 60% of global electricity was produced from fossil fuels. Sending electricity over long distances only starts to matter, when you have an overproduction of clean electricity. For most of the world that is quite simply not the case.

[–] PoisonedPrisonPanda@discuss.tchncs.de 1 points 11 months ago (1 children)

I havent looked into the numbers, but how large is the portion of this 60% from europe?

Germany has many occasions where wind turbines were cut off the grid and e.g. in austria its the case that due to separation of high voltage grid and local grid the spike in solar overproduction is endangering the infrastructure.

I can assume that similar issues arise in the rest of the western world as well.

The issue I see is that such problems will limit the pace of the energy transition which is a major path for handling the climate crisis.

Else the 3rd world countries will run into the same troubles as 1st world countries did and we will loose in general time that we are not going to have.

[–] MrMakabar 2 points 11 months ago

It is less then 32% fossil fuels for the EU. At the same time the German power grid is pretty much the most reliable in the world. The US grid has had over 8h of power interruptions per cutomer per year. Germany is well below 15 min in the same metric.