Carbon dioxide Quote by Michael Crichton

Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicates that…

— George W. Bush

The incredible list of supposed horrors that increasing carbon dioxide will bring the world is pure belief disguised as science.

— William Happer

My first inclination is to be a bit skeptical about the claims that human-produced carbon dioxide is the direct contributor to global warming.

— Buzz Aldrin

“Your carbon dioxide is breaking my concentration.”

— Emma Lesko

“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

“Life isn't just about taking in oxygen and giving out carbon dioxide.”

— Malala Yousafzai

Whether carbon dioxide is quite the environmental villain that some people make it out to be is not yet proven.

— Tony Abbott

There is no doubt there is more carbon dioxide in the atmosphere, caused by the burning of fossil fuels. It should have an effect…

— John Christy

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

— Alan Carlin

I am not at all convinced that human emissions of CO2 are adding to global warming.... I remain to be convinced about the theory…

— Nick Minchin

There is a majority of scientists that say that global carbon emissions by humans causes some changes in the climate.

— Marco Rubio

Human releases of carbon dioxide are almost certainly happening faster than any natural carbon release since the beginning of life on Earth.

— Mark Lynas