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Climate scientists: concept of net zero is a dangerous trap
(theconversation.com)
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this post was submitted on 31 Jul 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:
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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According to graphs I have seen, this won't be the fastest warming period ever, even by worst predictions. Example: https://scitechdaily.com/images/Past-and-Future-Global-Temperature-Trends-scaled.jpg
The second problem I have with your post is that there were far higher CO2 levels in history which didn't correlate with temperature rises.
Also, a lot of this global extincion theories are just theories that are based on predictions that are dependant on inputs and not all inputs (not even close) are considered in those calculations. Even IPCC itself thinks not including clouds feedback (and it's dominant termostatis control of temperature) could be a potential problem in their predictions.
All in all - human extinction theory is not something there is a consensus for and it certainly is a part of alarmism.
However, scientists have conclusively demonstrated that in the 19th through 21st centuries, CO2 emissions directly predict rises in temperature.