---
title: "1 Greenhouse Effect Quotes By William Happer"
description: "1 Greenhouse Effect quotes by William Happer. Plus more from William Happer and more Greenhouse Effect sayings from other authors."
image: "https://sms4smile.com/quotes/i/117/william-happer-64206_behinds_i-am-not-a-climatologist-but-i-don-t-thi_919165.jpg"
---

> [I am not a climatologist, but I don't think any of the other witnesses are either. I do work in the related field of atomic, molecular and optical physics. I have spent my professional life studying the interactions of visible…](https://sms4smile.com/quotes/william-happer/i-am-not-a-climatologist-but-i-don-t-think-any-of-the-other-witnesses/)

[William Happer](https://sms4smile.com/quotes/author/william-happer/)

[Image](https://sms4smile.com/quotes/i/117/william-happer-64206_behinds_i-am-not-a-climatologist-but-i-don-t-thi_919165.jpg)

## More by William Happer

> [With each passing year, experimental observations further undermine the claim of a large positive feedback from water. In fact, observations suggest that the feedback…](https://sms4smile.com/quotes/william-happer/with-each-passing-year-experimental-observations-further-undermine/)

[William Happer](https://sms4smile.com/quotes/author/william-happer/)

> [I am not a climatologist, but I don't think any of the other witnesses are either. I do work in the related field of…](https://sms4smile.com/quotes/william-happer/i-am-not-a-climatologist-but-i-don-t-think-any-of-the-other-witnesses/)

[William Happer](https://sms4smile.com/quotes/author/william-happer/)

> [No chemical compound in the atmosphere has a worse reputation than CO2, thanks to the single-minded demonization of this natural and essential atmospheric gas…](https://sms4smile.com/quotes/william-happer/no-chemical-compound-in-the-atmosphere-has-a-worse-reputation-than/)

[William Happer](https://sms4smile.com/quotes/author/william-happer/)

> [The incredible list of supposed horrors that increasing carbon dioxide will bring the world is pure belief disguised as science.](https://sms4smile.com/quotes/william-happer/the-incredible-list-of-supposed-horrors-that-increasing-carbon/)

[William Happer](https://sms4smile.com/quotes/author/william-happer/)

> [About fifty million years ago...geological evidence indicates CO2 levels were several thousand ppm, much higher than now. And life flourished abundantly.](https://sms4smile.com/quotes/william-happer/about-fifty-million-years-ago-geological-evidence-indicates-co2/)

[William Happer](https://sms4smile.com/quotes/author/william-happer/)

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