Study Finds The CO2 Greenhouse Effect Is Real…But Dangerous Global Warming From Rising CO2 Is Not


Before the article, I reference another article from MIT News.

https://news.mit.edu/2010/explained-climate-sensitivity

“…With no feedback effects at all, the change would be just 1 degree Celsius, climate scientists agree…”  So, for ECS there is no positive feedback and global warming is just made from models, not reality.  So, what did this article find the ECS to be?  0.7, or less than 1 degree celsius

2022 / November / 24 / Study Finds The CO2 Greenhouse Effect Is Real…But Dangerous Global Warming From Rising CO2 Is Not

Study Finds The CO2 Greenhouse Effect Is Real…But Dangerous Global Warming From Rising CO2 Is Not

By Kenneth Richard on 24. November 2022

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German physicists claim to have experimentally demonstrated the greenhouse effect from greenhouse gases like CO2 and CH4 is a real phenomenon, but assess the climate sensitivity to a doubling of CO2 with feedbacks is “only ECS = 0.7°C … 5.4x lower than the mean value of CMIP6 with ECS = 3.78°C.”

“The derived forcing for CO2 is in quite good agreement with some theoretical studies in the literature, which to some degree is the result of calibrating the set-up to the spectral calculations, but independently it determines and also reproduces the whole progression as a function of the gas concentration. From this we deduce a basic equilibrium climate sensitivity (without feedbacks) of ECSB = 1.05°C. When additionally assuming a reduced wing absorption of the spectral lines due to a finite collision time of the molecules this further reduces the ECSB by 10% and, thus, is 20% smaller than recommended by CMIP6 with 1.22°C.”

“Detailed own investigations also show that in contrast to the assumptions of the IPCC water vapor only contributes to a marginal positive feedback and evaporation at the earth’s surface even leads to a significant further reduction of the climate sensitivity to only ECS = 0.7°C (Harde 2017 [15]). This is less than a quarter of the IPCC’s last specification with 3°C (see AR6 [1]) and even 5.4x lower than the mean value of CMIP6 with ECS = 3.78°C.”

“The presented measurements and calculations clearly confirm the existence of an atmospheric GHE, but they also demonstrate the only small impact on global warming, which apparently is much more dominated by natural impacts like solar radiative forcing (see, e.g., Connolly et al. 2021 [16]; Harde 2022 [17]). Therefore, it is high time to stop a further indoctrination of our society with one-sided information, fake experiments, videos or reports, only to generate panic.”

Image Source: Harde and Schnell, 2022

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