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Member Publications
12.12.2024

Human Contribution to Atmospheric CO2: How Human Emissions Are Restoring Vital Atmospheric CO2

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Ferdinand Engelbeen, Renee Hannon, and David Burton December 2024 Since the beginning of the Industrial Revolution in the late 1700s, the average concentration of Earth’s atmospheric carbon dioxide (CO2) has increased by about 140 parts per million by volume (ppmv) to the current amount of about 420 ppmv. This is much higher than concentrations of…
Science & Policy Briefs
12.12.2024

Emissions of Anesthetic Gases Cause Negligible Warming

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Frits Byron Soepyan, William Happer, Gregory Wrightstone December 2024 Abstract: There is a growing concern in the medical industry regarding the emission of anesthetic gases, such as sevoflurane, nitrous oxide, isoflurane and desflurane, into the atmosphere, because these anesthetic gases are greenhouse gases. To determine if these concerns are sensible, we compiled the information regarding…
Testimonies & Statements
10.23.2024

CO2 Coalition: Don’t Waste Money on CO2 Removal

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Submitted by: Gregory Wrightstone, Executive Director Frits Byron Soepyan, Research and Science Associate CO2 Coalition, Arlington, Virginia October 22, 2024 to the Wyoming Energy Authority We recommend against the expenditure of Wyoming tax revenues to study or implement the removal of carbon dioxide from the atmosphere or from the effluents of power plants and other…
Testimonies & Statements   -  Featured
9.10.2024

Expert opinion filed Hague Court of Appeals in Shell v. Milieudefensie

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This expert opinion was filed September 10, 2024 Court of Appeals The Hague The Hague The Netherlands Richard Lindzen Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Massachusetts Institute of Technology William Happer Professor of Physics, Emeritus Princeton University Steven Koonin University Professor, New York University, Senior Fellow at the Hoover Institute Re: Shell v.…
Testimonies & Statements
8.15.2024

Open Letter to National Renewable Energy Laboratory RE: Los Angeles 100% Renewable Energy Study

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August 12, 2024 Jaquelin Cochran, PhD Director, Grid Planning and Analysis Center National Renewable Energy Laboratory Re: CO2 Coalition Challenges Climate Basis for LADWP LA100 Dear Dr. Cochran: Good news: There is NO climate crisis in California. This letter regards the Los Angeles 100% Renewable Energy Study (LA100), which is a joint collaboration between the…
Testimonies & Statements
7.15.2024

Two Important Supreme Court Cases Strongly Support the CO2 Coalition’s Supreme Court Strategy

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July 14, 2024 Two recent Supreme Court cases validate the CO2 Coalition’s Supreme Court Strategy to file comments that can be used in briefings by those challenging various Net Zero regulations in the Courts of Appeal and then the Supreme Court.   Coalition comments were filed by Drs. William Happer (Princeton) and Richard Lindzen (MIT) in…
Testimonies & Statements
7.15.2024

Net Zero Policies Will Have a Trivial Effect on Temperature, But Disastrous Effects on People Worldwide

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Richard Lindzen Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Massachusetts Institute of Technology William Happer Professor of Physics, Emeritus, Princeton University Net Zero Policies Will Have a Trivial Effect on Temperature, But Disastrous Effects on People Worldwide July 19, 2024 The United States and countries worldwide are vigorously pursuing regulations and subsidies to reduce…
Science & Policy Briefs   -  Featured
6.16.2024

Effects of Net Zero by 2050 – Summary

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Effects of Net Zero by 2050 – Summary Physics Proves that Policies by the United States and Other Countries to Reduce CO2 Emissions to Net Zero by the Year 2050 and Eliminate Fossil Fuels Will Have A Trivial Effect on Temperature and Weather, But Disastrous Effects for the Average Citizen and Countries Worldwide We are…
Member Publications
6.5.2024

Measurement of CO2 Concentrations Through Time

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When recording historic levels of CO2 concentration, records from air bubbles in Antarctic ice cores are regarded as the gold standard for paleo-atmospheric global CO2 concentrations during past interglacial and glacial periods over the last 800,000 years.  Antarctic ice-core data are openly available from the National Centers for Environmental Information (NCEI) and have been studied…
Member Publications   -  Featured
6.6.2024

We Can Still Avoid the Net Zero Trap

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Radiative transport of energy in the atmosphere can be easily calculated using fundamental physics. These calculations confirm the observations that greenhouse gases play a modest role in climate warming. The important conclusion from theory and measurements is that there is no man-made climate crisis. However, climate models – constructed by governmental organizations – predict a…
Science & Policy Briefs
6.11.2024

Net Zero Averted Temperature Increase

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R. Lindzen, W. Happer, and W. A. van Wijngaarden June 2024 Many people are surprised by how little warming would be averted from adoption of net zero policies. For example, if the United States achieved net zero emissions of carbon dioxide by the year 2050, only a few hundredths of a degree Celsius of warming…
Member Publications
4.22.2024

Nutritive Value of Plants Growing in Enhanced CO2 Concentrations (eCO2)

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We are pleased to announce the publication of our latest research report Nutritive Value of Plants Growing in Enhanced CO2 Concentrations (eCO2). Despite many years of claims that increasing concentrations of CO2 are an “existential threat” to life on Earth, one cannot identify any harm that has been done. In fact, the only clear result…
Testimonies & Statements
4.15.2024

Fossil Fuels and Greenhouse Gases Climate Science

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Paper prepared by Richard Lindzen, William Happer, Steven Koonin and submitted April 16, 2024. Summary provided below and the entire paper can be accessed here: Lindzen Happer Koonin climate science 4-24. THERE WILL BE DISASTROUS CONSEQUENCES FOR THE POOR, PEOPLE WORLDWIDE, FUTURE GENERATIONS AND THE WEST IF FOSSIL FUELS, CO2 AND OTHER GHG EMISSIONS ARE…
Member Publications
3.29.2024

An Experiment in Ocean Acidification: Why Buffering Matters

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Click the link below to view/download the presentation slides (based on CO2 Coalition member Marty Cornell’s report)   Teaching Ocean Acidification   In this presentation, Dr. Sharon Camp addresses the widespread concern that the fossil fuel-driven increase in atmospheric CO2 is a detriment to our oceans and its marine life.  
Member Publications
3.24.2024

An open letter to the California Air Resources Board

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An open letter to the California Air Resources Board Download the entire body of the CO2 Coalition report here CO2C Letter to CARB Body March 22, 2024 Re: CO2 Coalition Evidence of NO Climate Crisis in California Dear Sir or Madam: Good news: There is NO climate crisis in California. This claim was verified by…
State and Regional Reports
2.8.2024

Wyoming and Climate Change: CO2 Should Be Celebrated, Not Captured

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EXECUTIVE SUMMARY This report examines the actual and projected effects of the climate on the State of Wyoming in response to proposals to reduce emissions of carbon dioxide (CO2) through the use of “carbon capture” in order to avert purportedly catastrophic atmospheric warming. This research concludes that Wyoming – like the planet – is benefiting…
Member Publications
11.20.2023

The Role of Greenhouse Gases in Energy Transfer in the Earth’s Atmosphere

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By W. A. van Wijngaarden, Department of Physics and Astronomy, York University, Canada and W. Happer, Department of Physics, Princeton University, USA We discuss the basic ways greenhouse gases affect radiation transfer in Earth’s atmosphere. We explain how greenhouse gases like water vapor, H2O, or carbon dioxide, CO2, differ from non-greenhouse gases like nitrogen, N2,…
Testimonies & Statements
11.19.2023

UCLA Law School Unethically Promotes an Anti-Science Climate Emergency

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Statement by Dr. James Enstrom concerning unethical practices of the UCLA Law School 11/6/23   UCLA Law School Unethically Promotes an Anti-Science Climate Emergency By Dr. James Enstrom – PhD in physics, Stanford University Please read my November 2, 2023 email letter to the UCLA Law School Dean Michael Waterstone. It is very important to…
Member Publications
9.20.2023

A Primer on Climate Policy Math

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CO2 Coalition Director Bruce Everett and Member Ed Hoskins offer their insight and expertise on the climate policy debate in A Primer on Climate Policy Math. The climate policy debate has two components: scientific and economic. In terms of the science, people should ask the following questions: On what basis do climate activists refer to…
Climate Issues in Depth
8.1.2023

200 Years of Fossil Fuels and Climate Change (1900-2100)

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G. Shanmugam Department of Earth and Environmental Sciences, The University of Texas at Arlington, Arlington, Texas 76019 ABSTRACT The geologic record shows that the Earth’s climate has always been changing naturally during the past 600 million years in terms of CO2 and temperature, without CO2 emissions from Fossil Fuels by humans. There were both warming…
Testimonies & Statements
7.21.2023

CO2 Coalition Submits Comment on EPA’s Proposed Power Plant Regulations as Dangerous and Unscientific

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Release: Immediate July 21, 2023 Download entire comment here (pdf) ARLINGTON, Va. – A proposed federal rule to regulate carbon dioxide emissions from power plants should not be adopted because it scientifically invalid and would endanger lives by denying people the benefits of fossil fuels and increasing levels of CO2, according to two eminent physicists.…
State and Regional Reports
7.17.2023

American Midwest and Climate Change: Life in America’s Breadbasket is Good and Getting Better

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Assertions by the 4th U.S. National Climate Assessment (NCA4) that the American Midwest will suffer negative effects – some catastrophic – from climate change are scientifically invalid and contrary to reality. Highly qualified professionals of the CO2 Coalition arrived at this conclusion after a careful review of real-world data and NCA4’s research methodologies and findings.…
White Papers
6.28.2023

Scientific Paper Concludes Refrigerants’ Gases Pose No Threat to Climate

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A paper by two members of the CO2 Coalition, Arlington, Virginia, suggests that the promoters of man-made warming in the international community are promoting the expenditure of large sums of money on replacing certain refrigerants whose capacity to warm the atmosphere is of little consequence. The authors are Drs. William van Wijngaarden, formerly chairman of…
Climate Issues in Depth
8.28.2023

Impact of Changing Greenhouse Gas Concentrations on Ontario’s Climate

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by W. A. van Wijngaarden The effect of changing greenhouse gas concentrations, most notably carbon dioxide, CO2, on climate was examined. In particular, calculations of the climate sensitivity, the warming of the Earth due to a doubling of atmospheric carbon dioxide, are discussed. Greenhouse gas concentrations, as determined from air bubbles trapped in ice as…
Testimonies & Statements
5.5.2023

Nobel Laureate John Clauser Elected to CO2 Coalition Board of Directors

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Dr. John F. Clauser, recipient of the 2022 Nobel Prize in Physics, has been elected to serve on the board of directors of the CO2 Coalition, Arlington, Virginia. “Dr. Clauser will add tremendously to the intellectual depth of our organization, which already benefits from a membership of more than 120 scientists and researchers representing a…

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