Century Quote by William H. Calvin

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

— Tony Abbott

CO2 is the exhaling breath of our civilization, literally... Changing that pattern requires a scope, a scale, a speed of change that is beyond…

— Al Gore

We the people, so to speak, need to realize that if we can keep ourselves fed, we might get through this long dark tunnel…

— Wes Jackson

Weather patterns over the next 20 or 30 years are going to be determined by the amount of CO2 that is up there now

— John Beddington

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

Each year we pump at least six billion tons of heat-trapping carbon into the innermost layer of our atmosphere, whose outer extent is only…

— Ross Gelbspan

What the American people deserve, I think, is a true, legitimate, peer-reviewed, objective, transparent discussion about CO2.

— Scott Pruitt

Attributing global climate change to human CO₂ production is akin to trying to diagnose an automotive problem by ignoring the engine (analogous to the…

— Timothy Ball

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

— Alan Carlin

“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 biggest challenge is how to get people to wake up and realize this is a one-shot deal. If we fail, we are witting…

— Nathan Lewis