The role of CO2 is not nearly as clear as the climate catastrophists would suggest. — Tony Abbott Copy Share Image
...a magical CO2 knob for controlling weather and climate simply does not exist! — Willie Soon Copy Share Image
About fifty million years ago...geological evidence indicates CO2 levels were several thousand ppm, much higher than now. And life flourished abundantly. — William Happer Copy Share Image
Our CO2 mixes with everyone else's within a year, then hangs around for centuries like a shroud. — William H. Calvin Copy Share Image
You're never going to get the amount of CO2 emitted to go down unless you deal with the one magic metric, which… — Bill Gates Copy Share Image
Even if you accept the theory of man-made climate change, wind turbines are a rotten way to reduce CO2 emissions, or to… — Roger Helmer Copy Share Image
On the environmental front there's concern about global warming and high levels of carbon dioxide, and trees take in CO2 and store… — Clive Anderson Copy Share Image
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 Copy Share Image
The physical relationship between CO2 molecules and the atmosphere and the trapping of heat is as well-established as gravity, for God's sakes.… — Al Gore Copy Share Image
I think all countries need to aim to cut the CO2 emissions per person, taking account of externalities like imports and exports. — Martin Rees Copy Share Image
European carmakers pledged to reduce CO2 emissions by 25 percent from 1995 to 2008. We kept our word and reduced the value… — Norbert Reithofer Copy Share Image
It is impossible to talk about slowing climate change without talking about reducing CO2 emissions. Equally, it is impossible to talk about… — Cary Fowler Copy Share Image
We are still learning how exactly the Earth reacts to increased CO2 and other greenhouse gases. We know it leads to warming… — Graciela Chichilnisky Copy Share Image
...it is fairly well agreed that the surface temperature will rise about 1°C as a modest response to a doubling of atmospheric… — John Christy Copy Share Image
With this information, in light of the increasing human demands on vegetation, it is my personal opinion that capping CO2 emissions or… — Keith E. Idso Copy Share Image
I'm really interested in how you create a whole new economy of recycling. It's literally the 'underground economy.' All this stuff that… — Peter Senge Copy Share Image
It is a search for a mythical CO2 sink to explain an immeasurable CO2 lifetime to fit a hypothetical CO2 computer model… — Tom Segalstad Copy Share Image
It's not as though we can keep burning coal in our power plants. Coal is a finite resource, too. We must find… — Elon Musk Copy Share Image
I believe the earth gets warmer and I also believe the earth gets cooler. And I think history points out that it… — Rick Santorum Copy Share Image
Even though all that CO2 has been spewed and belched into the atmosphere, there isn't any warming. Therefore, the person, people, whatever,… — Rush Limbaugh Copy Share Image
Attributing global climate change to human CO₂ production is akin to trying to diagnose an automotive problem by ignoring the engine (analogous… — Timothy Ball Copy Share Image
What historians will definitely wonder about in future centuries is how deeply flawed logic, obscured by shrewd and unrelenting propaganda, actually enabled… — Richard Lindzen Copy Share Image
We need to raise the level of our game in terms of explaining the planetary warming by infrared absorption of CO2 etc.… — Judith Curry Copy Share Image
A lot of what is done by the climate lobby is anti-science. But there is some science behind it. Like, there are… — Charles Koch Copy Share Image
CO2 from air can replace petroleum: it can produce plastics and acetate, it can produce carbon fibers that replace metals and clean… — Graciela Chichilnisky Copy Share Image
Those individuals from the far left, and I'm talking about the Hollywood elitists and the United Nations and those individuals want us… — James Inhofe Copy Share Image
Organisms dont think of CO2 as a poison. Plants and organisms that make shells, coral, think of it as a building block. — Janine Benyus Copy Share Image
CO2 emissions have been increasing, but the rise in air temperature stopped around 2001. Climate change is due in large part to… — Syun-Ichi Akasofu Copy Share Image
We the people, so to speak, need to realize that if we can keep ourselves fed, we might get through this long… — Wes Jackson Copy Share Image
Investigations during the last few decades have brought hydrogen instead of carbon, and instead of CO2 water, the mother of all life,… — Albert Szent-Gyorgyi Copy Share Image
Does it make more sense to provide air conditioning or to limit CO2 emissions. I vote for more air conditioning in these… — Judith Curry Copy Share Image
Just like you could dump oil into the Cuyahoga in the 60s and let someone else foot the bill, today you can… — Ramez Naam Copy Share Image
Organisms don't think of CO2 as a poison. Plants and organisms that make shells, coral, think of it as a building block. — Janine Benyus Copy Share Image
CO2 is the exhaling breath of our civilization, literally... Changing that pattern requires a scope, a scale, a speed of change that… — Al Gore Copy Share Image
I am not at all convinced that human emissions of CO2 are adding to global warming… I remain to be convinced about… — Nick Minchin Copy Share Image
Changes in clouds and rainfall can overwhelm what little effect CO2-water vapour has on temperature. — Willie Soon Copy Share Image