CO₂ myth debunked by Professor Richard Lindzen @clintelfoundation

Uploaded June 2025 | Updated September 2026, 2 weeks ago

This video is from the interview with Professor Richard Lindzen by Hannes Sarv on behalf of Freedom Research. You can watch the entire video here: freedom-research.org/p/exclusive-professor-richard-lindzen

In this short video, Professor Lindzen explains the real impact of CO₂ on the climate.

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CO₂ myth debunked by Professor Richard Lindzen

Sobre el clima: la película (locución en español)

$Fundamental Ideas in Climate Research: How Correct Are They? | Demetris Koutsoyiannis In this presentation, hydrologist Demetris Koutsoyiannis critically examines the foundations of modern climate research and asks whether some of its central assumptions are supported by observational data. Koutsoyiannis traces influential ideas associated with Svante Arrhenius, Guy Stewart Callendar and Charles David Keeling. He argues that the enormous role of the biosphere in the global carbon cycle has historically been underestimated, while disproportionate attention has been given to human CO₂ emissions. Drawing on his published research, he discusses: • the natural and human components of the carbon cycle; • the atmospheric CO₂ “hockey stick”; • carbon isotopes and the Suess effect; • the concept of the airborne fraction; • atmospheric residence time and carbon mass balance; • the reduction in human emissions during the COVID-19 period; • causality between atmospheric temperature and CO₂; • the respective roles of water vapour, clouds and CO₂ in the greenhouse effect. Koutsoyiannis presents a data-based and highly critical interpretation. He argues that temperature changes precede changes in atmospheric CO₂ across multiple timescales, that natural carbon flows deserve much greater attention and that observations do not support the importance commonly attributed to CO₂ in the greenhouse effect. The presentation is followed by an extensive question-and-answer session in which participants challenge and discuss his modelling assumptions, the distinction between natural and anthropogenic effects, regional processes and the implications for climate policy. This lecture was recorded during the Clintel Workshop on Recent Research Developments on Atmospheric Temperature, Carbon Dioxide and Their Relationship, held at the National Technical University of Athens on 19 September 2024. Learn more about Clintel and the World Climate Declaration: https://clintel.org/ Hoofdstukken 00:00 Introduction 00:41 Opening remarks 01:26 The importance of the biosphere 02:58 Inspecting the foundations of climate research 04:22 Research into temperature and CO₂ 06:51 Arrhenius and the origins of climate theory 08:25 Callendar’s contribution 09:17 Keeling and atmospheric CO₂ measurements 10:44 Carbon isotopes and the Keeling plot 12:23 The airborne fraction 13:49 The biosphere in the IPCC carbon balance 15:35 Carbon isotopes and the Suess effect 18:14 Modelling the atmospheric carbon cycle 22:37 Responding to criticisms of the model 26:25 Are natural processes always a net sink? 28:43 Temperature–CO₂ causality 30:07 The COVID-19 emissions experiment 33:36 Does CO₂ follow temperature? 35:59 The importance of CO₂ in the greenhouse effect 38:41 Conclusions 40:35 Questions and discussion$

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CO₂ myth debunked by Professor Richard Lindzen