Change Quote by Willie Soon

The warming we've experienced in the late 20th century could just as easily be explained by small decreases in cloud cover - natural changes…

— Willie Soon

There is some CO2-water vapor feedback. But it's not operating on a global scale. The modellers cannot accurately separate water vapour from the effects…

— Willie Soon

... The reality is that atmospheric CO2 has a minimal impact on greenhouse gases and world temperature. Water vapor is responsible for 95 percent…

— Walter Cunningham

The role of CO2 is not nearly as clear as the climate catastrophists would suggest.

— Tony Abbott

Based on the laws of physics, the effect on temperature of man's contribution to atmospheric CO2 levels is minuscule and indiscernible from the natural…

— Robert L Scotto

NASA's Aqua satellite is showing that water vapor, the dominant greenhouse gas, works to offset the effect of carbon dioxide - CO2. This information,…

— Walter Cunningham

Clearly the climate is changing, whether caused by CO2 emissions or some other cause.

— Paul Craig Roberts

It's likely that CO2 has some warming effect, but real proof of that hypothesis is tricky. You have to confirm by observation exactly how…

— Nigel Calder

“The most urgent challenge of present civilization is to understand that the drying out of landscapes has a much more serious impact on climatic…

— Judith D. Schwartz

The increase in the greenhouse gas concentrations in the atmosphere are having an effect. Our ability to predict that effect is very limited.

— Rex W. Tillerson

There are a number of causes of climatic change, and until all causes other than carbon dioxide increase are ruled out, we cannot attribute…

— Reid Bryson

The science is clear that there is an increase in the amount of CO2 in the atmosphere. What is not clear from the science…

— Jim Sensenbrenner