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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… Continue Reading
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… Continue Reading
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… Continue Reading
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)… Continue Reading
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… Continue Reading
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… Continue Reading
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… Continue Reading
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,… Continue Reading
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… Continue Reading
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… Continue Reading
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… Continue Reading
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… Continue Reading
6.24.2025

Under-Reported “Old” Carbon is Not the Source of Increases in Atmospheric CO2

Introduction A recent paper published in the Journal Nature by Dean et al. provides an interesting and compelling argument that a significant source of atmospheric CO2 has been underestimated by carbon budget models. The study, Old carbon routed from land to the atmosphere by global river systems looks at the origin of the CO2 released… Continue Reading
5.14.2025

A Response to “Carbon Majors and the Scientific Case for Climate Liability”

By Bruce M. Everett, Ph.D. May 8, 2025 Climate activists insist that (1) the narrative of catastrophic warming is rigorously formulated and beyond refutation and (2) oil and gas companies are global villains that should be brought to account for their sins. The recently published Nature article “Carbon Majors and the Scientific Case for Climate… Continue Reading
5.1.2025

Chemtrails or Contrails?

By Roy W. Spencer, Ph.D. May 1, 2025 Cirrus clouds have been around forever. Cloud types were first named by English pharmacist Luke Howard in 1802 using Latin terms. Cirrus clouds refer to their hair-like appearance, but they can take on many shapes depending upon conditions such as humidity, the rate at which air is… Continue Reading
12.30.2024

Lightfoot and Ratzer, a Response: Why an Equation of State Alone Cannot Model Atmospheric Dynamics

By Kevin Kilty, Ph.D., P.E. CO2 Coalition Member Retired Mechanical Engineering faculty member, University of Wyoming Among the many attempts to demonstrate that CO2 has little to no effect on climate are several that purport to use an equation of state as their basis. A recent example by Lightfoot and Ratzer is entitled “The Sun… Continue Reading
12.12.2024

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

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… Continue Reading
6.6.2024

We Can Still Avoid the Net Zero Trap

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… Continue Reading
6.5.2024

Measurement of CO2 Concentrations Through Time

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… Continue Reading
4.22.2024

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

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… Continue Reading
3.29.2024

An Experiment in Ocean Acidification: Why Buffering Matters

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.   Continue Reading
3.24.2024

An open letter to the California Air Resources Board

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… Continue Reading
11.20.2023

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

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,… Continue Reading
9.20.2023

A Primer on Climate Policy Math

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… Continue Reading
4.24.2023

Is Simon Subversive?

by Gordon Fulks Is Simon subversive? Of course not! Simon is my neighbor’s lovable orange and white tomcat who comes to visit Cali, the wild calico female cat who has taken up residence in my outbuilding. They get along famously because Cali is willing to share some of her food with Simon. Simon has become… Continue Reading

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