Publications Archive - CO2 Coalition

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Member Publications

7.1.2026

Happer/Lindzen Graph: CO2’S WARMING POWER DECREASES VERY RAPIDLY WITH INCREASING CO2

CO2 AND FOSSIL FUEL EMISSIONS FROM 1750 TO TODAY CAUSED NO EXTREME HEAT, WEATHER OR DAMAGES: JUST MORE FOOD FOR PEOPLE WORLDWIDE AND TRIVIAL WARMING Richard Lindzen Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Massachusetts Institute of Technology William Happer Professor of Physics, Emeritus, Princeton University July 1, 2026 CO2’S WARMING POWER DECREASES VERY…

Member Publications

4.20.2026

The Peer-Review Problem: A Sedimentological Perspective

JOURNAL INDIAN ASSOCIATION OF SEDIMENTOLOGISTS ISSN NO 2582 – 2020 Vol. 39, Issue 1, 2022, pp. 3-24 DOI: https://doi.org/10.51710/jias.v39i1.243 G. Shanmugam The Peer-Review Problem: a sedimentological perspective Abstract: Albert Einstein, one of the greatest physicists of all time, had a deep disdain for peer review. The peer-review process, introduced over a thousand years ago in…

Member Publications

5.14.2026

Acidification of Water by CO₂

Acidification of Water by CO2 W. A. van Wijngaarden Department of Physics and Astronomy, York University, Canada P. Ridd Physicist, Adjunct Fellow, Institute of Public Affairs, Malanda, Queensland, Australia M. Cornell Industrial Chemist, Lake Jackson, Texas, USA W. Happer Department of Physics, Princeton University, USA Abstract Fundamental inorganic chemistry shows that increasing concentrations of atmospheric…

Member Publications

4.30.2026

The Seismite Problem

The Seismite Problem G. Shanmugam Department of Earth and Environmental Sciences, The University of Texas at Arlington, Arlington, TX 76019, USA Abstract During a period of 82 years (1931e2013), 39 genetic terms were introduced for various deposits. Of the 39 terms, only ten are meaningful in understanding the true depositional origin (e.g., turbidites), the remaining…

Member Publications

4.22.2026

Biography William Happer, Ph.D. (Princeton): The Consequential Climate Physicist

Biography William Happer, Ph.D. (Princeton): The Consequential Climate Physicist G. Shanmugam Department of Earth and Environmental Sciences The University of Texas at Arlington, Arlington, Texas 76019, USA Abstract William Happer, born in Vellore (1939), Tamil Nadu, India is an American icon on Climate Physics. He is currently the Cyrus Fogg Brackett Professor Emeritus in the…

Member Publications

4.24.2026

Fossil Fuel Emissions from 1750 to Today Caused No Harm

William Happer, Ph.D. Professor of Physics Emeritus Princeton University FOSSIL FUEL EMISSIONS FROM 1750 TO TODAY CAUSED NO HARM (Based on comments to the EPA and OMB) New York and Vermont have Climate Superfund laws and many lawsuits in state courts seek tens of trillions of dollars in damages they assert can be attributed to…

Member Publications

4.22.2026

Fossil fuels, Climate Change, and the Vital Role of CO2 Plays in Thriving People and Plants on Planet Earth

Bulletin of the Mineral Research and Exploration G. Shanmugam Fossil fuels, climate change, and the vital role of CO2 plays in thriving people and plants on planet earth ABSTRACT A rigorous examination of empirical data confirms the fact that there is no threat from CO2 to People. Fossil Fuels (i.e., Oil, Natural Gas, and Coal)…

Member Publications

4.22.2026

The CO2 Problem: Climate Models vs. Field Measurements

G. Shanmugam Department of Earth and Environmental Sciences The University of Texas at Arlington, Arlington, Texas 76019, USA ABSTRACT: Developed countries (e.g., USA, Germany, and France) have the unfair advantage over developing countries (e.g., Republic of the Congo, Republic of Kenya, and Sri Lanka) in imposing climate rules that enforce the use of expensive renewable…

Testimonies & Statements

4.10.2026

Open Letter to Federal Judicial Center Chair, Chief Justice John Roberts

Richard Lindzen, Ph. D. Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Professor of Physics Massachusetts Institute of Technology William Happer, Ph. D. Emeritus Professor of Physics, Princeton University Steven Koonin, Ph. D. Edward Teller Senior Fellow Hoover Institution, Stanford University April 1, 2026 The Honorable John G. Roberts Chair, Federal Judicial Center Chief…

Member Publications

11.13.2025

Chill Out: AC Refrigerants Cause Negligible Warming

Frits Byron Soepyan, Ph.D. November 12, 2025 Abstract The refrigerant R-410A, which has been used in heating, ventilation, and air conditioning (HVAC) systems since 2010, is in the process of being phased out due to the American Innovation and Manufacturing (AIM) Act of 2020 and the regulation passed by the Biden Administration’s United States Environmental…

Member Publications

1.29.2026

Livestock, Methane and Climate

D. Alexander Methane Science Accord, Clevedon, New Zealand J. D. Ferguson University of Pennsylvania School of Veterinary Medicine, USA A. Glatzle Asociaci´on Rural del Paraguay, Asunci´on W. Happer Department of Physics, Princeton University, USA W. A. van Wijngaarden Department of Physics and Astronomy, York University, Canada January 27, 2026 Abstract Methane emissions by livestock have…

State and Regional Reports

3.24.2026

Virginia and Climate Change (2026 Update) Separating Fact from Fiction

This updated review of Virginia and Climate Change was commissioned to provide current information to policymakers after multiple climate change-related proposals were made in early 2026 by the newly installed governor and the state legislature. Predicated on the state’s need to reduce greenhouse-gas emissions to forestall a purported climate crisis, the proposals would have huge…

Testimonies & Statements

11.4.2025

William Happer EPA GHGRP Comment Nov. 3, 2025

William Happer Professor of Physics, Emeritus, Princeton University November 3, 2025 U.S. Environmental Protection Agency Docket ID No. EPA-HQ-OAR-2025-0186 1200 Pennsylvania Avenue NE Washington, D.C. Re: Reconsideration of the Greenhouse Gas Reporting Program (GHGRP) (“Proposed Rule”) Dear Administrator Zeldin, Thank you for the opportunity to comment on the Environmental Protection Agency’s (“EPA”) Proposed Rule.[1] The…

Testimonies & Statements

2.6.2026

Happer – Lindzen CAFE Rule Comment February 2, 2026

The CO2 Coalition filed its Comment on the National Highway Traffic Safety Administration’s SAFE Rule for Cars and Light Trucks on February 2, 2026. The comment, authored by Drs. William Happer and Richard Lindzen, concluded: Saturation physics demonstrates that the rapid logarithmic decrease in CO2’s power to warm the planet means: Increased CO2 emissions from fossil fuels and other human sources since the beginning of the Industrial Age in…

Member Publications

12.3.2025

Sunlight, the Bond Albedo, CO2, and Earth’s Temperature

R. Louw Chemical Engineer, Stokesley, England W. A. van Wijngaarden Department of Physics and Astronomy, York University, Canada W. Happer Department of Physics, Princeton University, USA November 27, 2025 Abstract The main determinants of Earth’s absolute surface temperature, T, are the solar constant, S, the Bond albedo, A, and the effective emissivity for thermal radiation,…

Member Publications

10.9.2025

Saturation Graphics

W. A. van Wijngaarden Department of Physics and Astronomy, York University, Canada W. Happer Department of Physics, Princeton University, USA October 8, 2025 A graphic that has turned out to be helpful for explaining why doubling greenhouse gases has only a tiny effect on thermal radiation to space is a variant of Fig. 4 of…

Testimonies & Statements

9.26.2025

Open Letter to the United Nations Food and Agriculture Organization Concerning Sustainable Livestock Development

August 21, 2025 Bruno Telemans Yewon Sung FAO Headquarters Viale delle Terme di Caracalla 00153 Rome, Italy Dear Bruno Telemans, Yewon Sung, Thank you very much for your letter politely declining our request for a side event at the FAO Global Conference on Sustainable Livestock Transformation. We sent you a proposal for a parallel event,…

Testimonies & Statements

9.23.2025

CO₂ Coalition Comment #2 on EPA Endangerment Finding

Richard Lindzen Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Massachusetts Institute of Technology William Happer Professor of Physics, Emeritus, Princeton University September 22, 2025 Re: Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards; Extension of Comment Period (“Proposed Rule”) U.S. Environmental Protection Agency Docket ID No. EPA-HQ-OAR-2025-0194 1200 Pennsylvania Avenue NE Washington,…

Member Publications

10.20.2025

Climate Change and Health

Dr. D. Weston Allen, MBBS, FRACGP Fellowship of the Royal Australian College of General Practitioners (FRACGP), full-time family physician at Kingscliff on the southern Gold Coast. Dr. Jan Breslow, M.D. Fredrick Henry Leonhardt Professor Rockefeller University; Head Laboratory of Biochemical Genetics and Metabolism; Senior Physician Rockefeller Hospital. Former President of the American Heart Association and…

Testimonies & Statements

9.3.2025

Lindzen and Happer Response to CWG Report

Richard Lindzen Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Massachusetts Institute of Technology William Happer Professor of Physics, Emeritus, Princeton University Hon. Christopher Wright Secretary Department of Energy Federal Register :: Notice of Availability: A Critical Review of Impacts of Greenhouse Gas Emissions on the U.S. Climate Docket No. DOE-HQ-2025-0207 Re: Scientific Comment on…

Testimonies & Statements

8.25.2025

National Academy of Sciences Committee Bias: An Unscientific Rigging of a Scientific Review

Gregory Wrightstone – executive director, CO2 Coalition Deadline for submitting objections to the committee makeup is August 27, 2025, at 11:59 PM. REQUEST FOR INFORMATION — Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts The National Academy of Sciences (NAS) has created a committee purportedly to have an unbiased assessment of the Environmental Protection…

Testimonies & Statements

8.26.2025

Lindzen-Happer Statement to National Academies of Sciences, Engineering, and Medicine

Richard Lindzen Professor of Earth, Atmospheric, and Planetary Sciences, Emeritus Massachusetts Institute of Technology William Happer Professor of Physics, Emeritus, Princeton University August 25, 2025 National Academies of Sciences, Engineering, and Medicine Committee on Anthropogenic Greenhouse Gases and US Climate: Evidence and Impacts 500 Fifth Street, NW Washington, DC 20001 Re: The Committee’s Charge to…

State and Regional Reports

8.15.2025

Texas and Climate Change: No Climate Crisis in the Lone Star State

EXECUTIVE SUMMARY This report will examine the scientific basis for claims of harmful effects from climate change in Texas. Assertions have been made that many areas around the world are experiencing negative impacts from unusual and unprecedented warming driven by increasing human emissions of carbon dioxide (CO2). Texas is no different. Promotion of the need…

Member Publications

8.8.2025

Energy Addition, Not Transition: Fossil Fuels Remain the Bedrock of Progress

by Dr. Samuele Furfari Professor of Energy Geopolitics Like clockwork, we receive the annual Statistical Review of World Energy relevant to energy geopolitics every June. From 1954 until 2022, BP volunteered to compile this data. Initially, the review only covered oil, but was later expanded to include all fossil fuels, and finally to include data…

State and Regional Reports - Featured

7.23.2025

Arkansas & Climate Change: No Warming. No Crisis. No Problem.

EXECUTIVE SUMMARY This report will examine the scientific basis for claims of harmful climate-change-related effects in Arkansas. Like other areas around the world, claims have been made that Arkansas is experiencing negative impacts from unusual and unprecedented warming driven by increasing human emissions of carbon dioxide (CO2). A “solution” to this supposed problem is to…

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The CO2 Coalition was established in 2015 as a 501(c)(3) for the purpose of educating thought leaders, policy makers, and the public about the important contribution made by carbon dioxide to our lives and the economy.

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