Dr. Willie Soon: “CO2 is plant food, not a pollutant”
On October 17, 2025, CERES co-team leader, Dr. Willie Soon, gave a presentation at Hillsdale College’s 19th Annual Free Market Forum in North Carolina. In this video, we show Dr. Soon’s presentation that was entitled, “The importance of fossil fuels and CO2: A scientific perspective”.
For further details and link to the full video visit the Hillsdale College website.
If you are interested in Dr. Soon’s slides for the presentation, they can be downloaded here.
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Doubling CO2 increases absorption by only a few percent
Doubling CO2 increases absorption by only a few percent Prof. Kees de Lange met William Happer during his visit in The Netherlands last November. After that they exchanged several emails about the paper Happer en his colleague William van Wijngaarden wrote. De Lange kindly translated his knowledge of the paper into a blog article [...]
Press Release: KNMI scrapped too many tropical days in De Bilt
CLINTEL highlights a newly published peer-reviewed study examining KNMI temperature corrections, suggesting they may have significantly reduced the number of recorded tropical days in De Bilt. The findings contribute to the ongoing scientific debate on how climate trends in the Netherlands are assessed.
The greenhouse effect, summary of the Happer and Van Wijngaarden paper
The phrase “greenhouse effect,” often abbreviated as “GHE,” is very ambiguous. It applies to Earth’s surface temperature, and has never been observed or measured, only modeled.
