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Analysis: Even The IPCC’s Latest Report Doesn’t Support Climate Activists’ Lies

by Tom Harris
April 05, 2024, 8:51 AM
in Extreme Weather, News and Opinion
Reading Time: 6 mins read
A A
3

weather storm tornado

Climate campaigners and their political and media allies often tell us that their frightening forecasts are backed up by the best available science.

In particular, they point to the United Nations Intergovernmental Panel on Climate Change (IPCC) reports that they tell us are the gold standard of climate science research. If the IPCC said it, it must be true, they proclaim! [emphasis, links added]

The late Dr. Jay Lehr and I have often written about the serious flaws in the IPCC reports. Indeed, much of the IPCC science is wrong, leading many participating scientists to resign from the body.

As documented in the Climate Change Reconsidered series of reports of the Nongovernmental International Panel on Climate Change (the most recent of which is here), there are thousands of scientists across the world publishing in leading peer-reviewed journals who show that much of what the IPCC concludes is incorrect.

Consequently, basing our nation’s climate and energy policies only on what the IPCC says would be irresponsible, even reckless.

But in many cases, climate campaigners are not even following the IPCC’s conclusions.

In this article, I will discuss what the IPCC actually said in its reports and show some examples (there are many) where even the UN body itself contradicts what alarmists tell us.

First, it is important to understand what the various confidence levels used by the IPCC mean. They are:

  • Very Low: Indicates very limited evidence or low agreement.
  • Low: Suggests limited evidence or agreement.
  • Medium: Represents moderate evidence or agreement.
  • High: Signifies substantial evidence or high agreement.
  • Very High: Implies robust evidence or very high agreement1 2.

Climate alarmists often tell us that we should expect to see increases in flooding due to man-made climate change. However, the IPCC finds no trends in flooding globally. Specifically, the IPCC writes on p. 1569 of the latest Assessment Report, the sixth:

“In summary there is low confidence in the human influence on the changes in high river flows on the global scale. In general, there is low confidence in attributing changes in the probability or magnitude of flood events to human influence because of a limited number of studies, differences in the results of these studies and large modelling uncertainties.”​

Similarly, in the Fifth Assessment Report, the IPCC wrote:

“There continues to be a lack of evidence and thus low confidence regarding the sign of trend in the magnitude and/or frequency of floods on a global scale.”

Note that they don’t even feel confident enough to conclude that floods are increasing or decreasing!

It seems that after every intense rainfall event, we are told that we will see even more of these due to man-made climate change, and these are responsible for more flooding. But the IPCC says:

“Attributing changes in heavy precipitation to anthropogenic activities (Section 11.4.4) cannot be readily translated to attributing changes in floods to human activities, because precipitation is only one of the multiple factors, albeit an important one, that affect floods.”

Even the Trudeau government’s left-leaning Environment and Climate Change Canada, in its 2019 climate report, said,

“There do not appear to be detectable trends in short-duration extreme precipitation in Canada for the country as a whole based on available station data.”

OK, not more rain. So there must be more drought, then, right? No, the latest IPCC report says:

“There is low confidence in the emergence of drought frequency in observations, for any type of drought, in all regions.”

Oh, but hold on. Activists tell us we will have more and more heat waves across the US and Canada due to man-made (anthropogenic) climate change. No, the IPCC says we don’t know.

In particular, the IPCC indicates low confidence (~20%) in the detection of trends in extreme heat and the attribution of such trends to human causes for both central and eastern North America.

But what about more and more intense storms? For example, the derecho (which is a line of intense, widespread, and fast-moving windstorms, and occasionally thunderstorms, that moves across a great distance and is characterized by damaging winds) a year ago in Ottawa, Canada, and other extreme winds and storms that are blamed on anthropogenic climate change.

Concerning extreme winds (between 60S and 60N), the IPCC says:

“the observed intensity of extreme winds is becoming less severe in the lower to mid-latitudes while becoming more severe in higher latitudes poleward of 60 degrees (low confidence)”

Note: cities at or north of 60 degrees latitude include Reykjavik, Iceland, (64°N), and Helsinki, Finland (60°N). OK, so Fins and Icelanders might have a reason to worry about stronger winds, but not us.

NY TIMES WHEN IT IS UNSEASONABLY COLD:
"These stupid anti-science Trump MAGA folks need to understand that weather is not climate change!"

NY TIMES WHEN IT IS UNSEASONABLY WARM:
"This PROVES there is climate change and the science is irrefutable!!!" pic.twitter.com/nH4pWt8nAD

— Brad Slager – Scrubbing Down In a Bloodbath (@MartiniShark) December 27, 2023

The IPCC also shows no upward trend in landfalling hurricanes, including the strongest storms.

How about winter storms that are often blamed on anthropogenic climate change? The IPCC says, concerning winter storms:

“There is low confidence in observed recent changes in the total number of extratropical cyclones over both hemispheres. There is also low confidence in past-century trends in the number and intensity of the strongest extratropical cyclones over the Northern Hemisphere…”

But what about tornadoes, hail, and lightning? Surely those are increasing because of man-man climate change, or are at least happening differently now to how they were a decade ago, right? No, the IPCC says:

“observational trends in tornadoes, hail, and lightning associated with severe convective storms are not robustly detected due to insufficient coverage of the long-term observations”

“But, but, but, more forest fires are caused by climate change, OK?” environmentalists sputter.

The IPCC is not very confident about this. They write:

“There is medium confidence [in contrast to ‘high’ or ‘very high’ confidence] that weather conditions that promote wildfires (fire weather) have become more probable in southern Europe, northern Eurasia, the US, and Australia over the last century.”

Interestingly, the Royal Society wrote in a 2020 blog post:

“Fire activity is on the rise in some regions, but when considering the total area burned at the ground level, we are not seeing an increase an overall increase.”

In summary, Working Group 1 of the Sixth Assessment Report had “low confidence in the direction of change” of most of the climate impacts that most excite activists, sensational media, and politicians, namely precipitation, drought, fire weather, cyclones, and hurricanes, snow and ice, sea levels, coastal erosion, and ocean acidity, you name it.

Generally, it also has “low confidence” that a wider range of detrimental climate impacts will occur beyond 2050, except under “worst-case” scenarios.

Finally, it should be noted that the terms ‘climate emergency’ or ‘climate crisis’ are only mentioned once in the latest IPCC assessment reports, and that is merely regarding media coverage, not what the IPCC says is real. Specifically, the IPCC writes:

“Also, some media outlets have recently adopted and promoted terms and phrases stronger than the more neutral ‘climate change’ and ‘global warming,’ including ‘climate crisis,’ ‘global heating,’ and ‘climate emergency’ (Zeldin-O’Neill, 2019).”

So, when you next hear politicians, media, and activists claim that their proclamations are backed up by the IPCC, have some fun with them and insist that they show you where the IPCC says what they say they say.

And then sit back and watch them sputter and bluster and do their best to avoid the question.

Read rest at America Out Loud

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Comments 3

  1. David Lewis says:
    2 years ago

    When liberal politicians in talking about climate change tell us we need to follow the science, they really mean following the media hype. I suspect that most of them don’t know the difference between the hype and what scientists are saying.

    Reply
  2. SPURWING PLOVER says:
    2 years ago

    Nutballs like Slager and Liberal Rags like the NYT’s more like False Prophets or crazy people who make the 6:00 News

    Reply
  3. Sonnyhill says:
    2 years ago

    The UN/IPCC inserts itself between serious research and the public with its “Summary for Policy makers” . Gutteres spews nonsense like “Global boiling”. More researchers need to forsake the IPCC research grants and tell us their experiences, blow the whistle.

    Reply

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