Climate Etc.

by Dan Hughes

This post challenges the conventional framework for simulating meltwater flows on glaciers and ice sheets.

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by Leigh Haugen

AI’s role in amplifying dominant narratives will continue to stifle dissent, limit open debate, and impose restrictive controls on society. If we allow this to continue unchecked, AI will become a tool for shaping thought, controlling discourse, and eroding the very freedoms it was meant to empower.

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by Dr. Joachim Dengler

This post is the second of two extracts from the paper Improvements and Extension of the Linear Carbon Sink Model.

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by Bruce Peachey and Nobuo Maeda

Contemporary climate models only include the impact of water vapor as positive feedback on warming; the impact of direct anthropogenic emissions of water vapor has not been seriously considered.

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by Joachim Dengler

This post is the first of two extracts from the paper Improvements and Extension of the Linear Carbon Sink Model.

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By Javier Vinós

The climate event of 2023 was truly exceptional, but the prevailing catastrophism about climate change hinders its proper scientific analysis. I present arguments that support the view that we are facing an extraordinary and extremely rare natural event in climate history.

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by Judith Curry

Today I’m participating in a panel on K-12 education, hosted by the National Association of Scholars.

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By Javier Vinós

Part I in this series on the Sun and climate described how we know that the Sun has been responsible for some of the major climate changes that have occurred over the past 11,000 years. In Part II, we considered a range of changes that the Sun is causing in the climate today, including changes in the planet’s rotation and in the polar vortex that are changing the frequency of cold winters.

None of the evidence for the Sun’s effect on climate we reviewed is included in the IPCC reports. The role of the IPCC is to assess the risk of human-induced climate change, not to find the causes of climate change, which since its inception has been assumed to be due to our emissions.

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by Judith Curry

Last January, I visited Prager U in California.  I recorded several videos.  Science.feedback.org has done a fact check on my 5 minute video, which is the topic of this post

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by Javier Vinós

Part 2 of a 3-part series. Part I is here.

The effect of the Sun on climate has been debated for 200 years. The basic problem is that when we study the past, we observe strong climatic changes associated with prolonged periods of low solar activity, but when we observe the present, we are able to detect only small effects due to the 11-year solar cycle. There are several possible explanations for this discrepancy. But the main question is how the Sun affects climate.

In this article we examine the effects on climate caused by the 11-year solar cycle over the last few cycles and their relation to recent climate change.

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by Judith Curry

My talk on Climate Uncertainty and Risk, presented at the Annual GWPF Lecture

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by Javier Vinós

Part I of a three part series.

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by Judith Curry

“Europe’s highest human rights court ruled Tuesday that countries must better protect their people from the consequences of climate change , siding with a group of older Swiss women against their government in a landmark ruling that could have implications across the continent.” [link]

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by Javier Vinós

The unlikely volcano, the warmest year, and the collapse of the polar vortex.

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by Judith Curry

The latest developments.

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The United Nations’ Intergovernmental Panel on Climate Change (IPCC) published their latest assessment report (AR6) in 2021. In 2023, the Clintel Foundation published a report which criticizes AR6.

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By Planning Engineer     Russ Schussler

“Renewable good, non-renewable bad” is far too simplistic and unfortunately influential

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By Planning Engineer  (Russ Schussler)

“Renewables”:  some resources support a healthy grid, other challenge it

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by Judith Curry

BREAKING.  The verdict is in – GUILTY.  

Mann’s lawyer introduced into evidence an old ethics complaint against Michael Mann that I had addressed to the Penn State administration.

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by Judith Curry

Here is the text of the expert report on Mann v. Simberg/Steyn in 2020 that I prepared at the request of Mark Steyn’s counsel.

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by Russell Schussler (Planning Engineer)

Part I: Renewable energy as a grouping lacks coherence

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by Judith Curry

Update:  I will be testifying Mon Feb 5, starting at 9:30 am EST.  You can watch the trial on Webex, scroll to room 132.  

BTW, wordpress ‘ate’ the remainder of the text for this post.

by Judith Curry

Happy New Year everyone!

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by Nicola Scafetta

My new paper  demonstrates that realistic emissions scenarios and climate sensitivity values & scenarios of natural climate variability produce more realistic, non-alarming scenarios of 21st century climate.

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