Advancing Freedom With Data: Debunking Catastrophic Greenhouse Warming
CO2’s greenhouse effect is the result of its interaction with the infrared of the electromagnetic spectrum, which is now largely saturated at today’s CO2 concentration of about 420 parts per million (ppm), say William Happer and Richard Lindzen. With so little unaffected infrared radiation left to interact with CO2 molecules, adding more of the gas is having a trivial effect and will produce even less warming in the future.
According to the CO2 Coalition, CO2 reduction policies pose a threat to civil liberties in the US. (Source: Shutterstock)
CO2 Coalition Newsletter
Date: 6 July 2026
A revealing graph from Drs. William Happer and Richard Lindzen advances freedom by dismantling the false narrative that blames CO2 for an impending climatic catastrophe. Policies rooted in this alarmism—net zero mandates, energy restrictions, subsidies for wind and solar, and regulatory overreach—have been devastating to America and many other countries.
These mandates have forced electricity and fuel prices to skyrocket, closed reliable power plants, outsourced manufacturing jobs, and burdened families and businesses with higher costs of living. While delivering no environmental benefits, climate policies have contributed to energy poverty, a less reliable power grid, and a transfer of wealth from working families to government-favoured industries.
Drs. Lindzen and Happer, physics professors emeriti at Princeton University and the Massachusetts Institute of Technology, respectively, show through their new graph (below) how CO2’s warming power decreases very rapidly with increasing atmospheric concentration.
CO2’s greenhouse effect is the result of its interaction with the infrared of the electromagnetic spectrum, which is now largely saturated at today’s CO2 concentration of about 420 parts per million (ppm). With so little unaffected infrared radiation left to interact with CO2 molecules, adding more of the gas is having a trivial effect and will produce even less warming in the future.
These facts of atmospheric physics complement the CO2 Coalition’s messages about the benefits of carbon dioxide and the fossil fuels that emit it:
- CO2 is plant food necessary for life, not pollution. Atmospheric levels remain historically low by geological standards. Elevated CO2 has fuelled global greening, increased crop yields, and improved food security for billions.
- Fossil fuels have powered unprecedented human prosperity while causing no detectable rise in extreme weather, or in damages from it, when adjusted for population and wealth.
- Water vapor and clouds dominate the greenhouse effect; as a trace gas, CO2 is a minor player. Natural factors like solar variability exert far stronger influence.
Climate policies, sold as saving the planet, have instead restricted access to affordable energy—the foundation of modern freedom. They limit mobility, economic opportunity, and personal choice, especially harming the world’s poor. By contrast, embracing abundant, reliable energy from fossil fuels and advancing nuclear power allows societies to flourish, innovate, and adapt.
The CO2 Coalition, a group of more than 200 independent experts, exists to restore scientific integrity. Their work shows that real-world observations are consistent with research in saturation physics, not flawed computer models predicting catastrophe. Dismissing this evidence, as alarmists do to justify an agenda of government control, undermines free inquiry, open debate, and honest governance.
This chart is a tool for freedom. It equips citizens to question expensive, ineffective policies and demand evidence-based decisions. More CO2 supports thriving ecosystems and human advancement. Rejecting alarm-driven restrictions restores energy sovereignty, economic vitality, and individual liberty.
Download the Happer/Lindzen Graph Here: Happer/Lindzen Graph: CO2’S WARMING POWER DECREASES VERY RAPIDLY WITH INCREASING CO2 – CO2 Coalition
Visit CO2coalition.org to explore our publications and related resources. Please share widely—truth and freedom go hand in hand.
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