by Wijnagaarden & Happer, Nov 26, 2020 in NoTricksZone
At the current concentrations, the forcing power for greenhouse gases like CO2 (~400 ppm) and CH4 (1.8 ppm) are already saturated. Therefore, even doubling the current greenhouse gas concentrations may only increase their forcings “by a few percent” in the parts of the atmosphere where there are no clouds. When clouds are present, the influence of greenhouse gases is even further minimized.
While the “consensus” model view is that doubling CO2 from 280 ppm to 560 ppm results in a surface forcing of 3.7 W/m², Wijngaarden and Happer find doubling CO2 concentrations from 400 to 800 ppm increases climate forcing by 3 W/m². This warms the surface by 1.4 K as it “hypothetically” cools the upper atmosphere by 10 K.
Equilibrium climate sensitivity (when positive feedback with water vapor is included) is identified as 2.2 K, which is within 10% of multiple other analyses.
by Ed Walbroehl, Nov 27, 2020 in ClimateChangeDispatch
Take your pick. The Mainstream Media (MSM) are using all three to stifle debate on climate change just like the current presidential election. What has happened to the American news media in this country?
I can remember a time when the MSM would do a story and would give you both sides of the issue and let the viewer decide what to think.
It’s amazing to see a business so willing to undermine its own credibility to push a certain narrative thinking everybody is stupid and will buy whatever they say.
In the case of the climate change issue, they even went as far as announcing no more so-called climate skeptics would be invited on their shows to give other opinions as is the case with NBC’s Meet the Press for example.
So much for a fair and balanced debate. Oh! I forgot. According to them, the science is settled. By who? That phrase the science is settled is the first clue that tells you a scientist is probably not a real scientist.
Real scientists know that new methods, learning, tools, ideas, and experiments will come about that will change our current knowledge and understanding of many scientific issues.
The MSM are even willing to lose viewers by lying to them. Look how foolish they looked when all this Russian collusion with the president turned out. Many viewers left after they found out they were being lied to.
Look what’s happening now as people start checking the facts on their own about climate change. They’re seeing that they are being lied to once again.
It’s probably why in many polls, the American people rank climate change near the bottom of what worries us, and why trust in the media is so low.
by J.G. Matkin, Nov 28, 2020 in AcademiaEdu
Surveys of public opinion show that a significant minority of the population are sceptical about climate change, and many suggest that doubt is increasing. The Internet, in particular the blogosphere, provides a vast and relatively untapped resource of data on the thinking of climate sceptics. This paper focuses on one particular example where over 150 climate sceptics provide information on their background, opinion on climate change and reasons for their scepticism. Although this data cannot be regarded as representative of the general public, it provides a useful insight into the reasoning of those who publicly question climate science on the web. Points of note include the high level of educational background, the significant numbers who appear to have been converted from a position of climate concern to one of scepticism, and the influence of blogs on both sides of the climate debate.
The main concern of this group of sceptics is with the quality of the science, focusing on issues such as statistics, data handling and reliance on models, with the hockey stick picture acting as the icon for the dispute.
https://www.tandfonline.com/doi/… It is behind a paywall but there is a preprint version here: https://ipccreport.files.wordpre… The paper is based on comments that 150 skeptics wrote on a blog thread asking them about their background. Reasons include:
Hyped, exaggerated claims in the media
Previous experience of scare stories that have failed to materialize
Shoddy science Full detail of survey results below :
La géologie, une science plus que passionnante … et diverse