Air Quote by Roger Helmer

“CO2 had increased due to human activities, CO2 will continue to increase unless changes are made, and these increases will affect weather, agriculture, and…

— Naomi Oreskes

The concentration of atmospheric carbon dioxide has changed greatly since fossilized life began on Earth nearly 600 million years ago. In fact, there is…

— Greg Benson

... 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

These proven positive consequences of elevated CO2 are infinitely more important than the unsubstantiated predictions of apocalypse that are hypothesized to result from global…

— Keith E. Idso

The atmosphere does not fathom whether CO2 comes from U.S. oil or Chinese coal, nor do hurricanes lose force because the Heritage Foundation doesn't…

— Paul Hawken

There appears to be a lot of confusion about the biological benefits of elevated CO2 because the popular media typically fails to report them.…

— Keith E. Idso

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…

— William Happer

Even if producing CO2 was good for the environment, given that we're going to run out of hydrocarbons, we need to find some sustainable…

— Elon Musk

If you're really concerned about CO2, you'd want to have every drop of energy produced in the United States. We do it cleaner, safer,…

— Doug Burgum

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

— Tony Abbott

If we don't start thinking big about the CO2 problem, we may miss our opportunity to stop a climate runaway that will trash the…

— William H. Calvin

“Why have global temperatures not risen in the best part of two decades while CO2 levels have kept on rising? •    ”

— Alan Carlin