Each cylinder is about 10 percent ancient air, a pristine time capsule of greenhouse gases - carbon dioxide, methane, nitrous oxide - all unchanged from the day that snow formed and first fell.
— Robert Lee Hotz on ice taken from bore holes in Antarctica

The key players are now all in place in Washington and in state governments across America to officially label carbon dioxide as a pollutant and enact laws that tax us citizens for our carbon footprints.
John Coleman carbon dioxide quote

I am convinced that policies meant to reduce alleged carbon dioxide-induced global warming will be destructive.
— Christopher Monckton

It's not the case that carbon dioxide drives temperatures. When you leave Ice Ages, it's the other way around: The temperatures go up first, and then carbon dioxide levels go up.
— Piers Corbyn

The general trend in the last 4,000 years is that carbon dioxide and temperature have been moving against each other.
— Piers Corbyn