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Don't want to admit we've blown handling the ClimateCrisis? Just change the definition!
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this post was submitted on 24 Sep 2023
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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:
How much each change to the atmosphere has warmed the world:
Recommended actions to cut greenhouse gas emissions in the near future:
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The key thing in there is the paper link. Basically we won't breach the treaty number with a single year above 1.5C; it takes bringing the long term average abive that since its not too unlikely that we'll see one year above, then some years below just because of how much natural variability is in the climate system
I think 1.5 will become average must quicker than anticipated. Same with sea ice not recovering.
Most effects of warming averages are positive feedback. They further accelerate warming. Melting permafrost, increased wildfires, and reduced sea ice all further increase heating.
The main cooling process I'm aware of, volcanic activity, occurs randomly, and isn't tied to climate change. I don't think wildfires get enough ash and soot high enough in the atmosphere to affect cooling like eruptions can.