The absorption of oxygen and the elimination of carbon dioxide in the lungs take place by diffusion alone. There is no trustworthy… — August Krogh Copy Share Image
It’s time to move the debate past the dogmatic view that carbon dioxide is evil and toward a world view that accepts… — Robert Bryce Copy Share Image
We have to slow down the emissions of carbon dioxide and methane from coal burning, oil and eventually natural gas... And the… — Ramez Naam Copy Share Image
Electricity generation emits more carbon dioxide in the United States than does transportation or industry, and nuclear power is the largest source… — Ernest Moniz Copy Share Image
It's not the case that carbon dioxide drives temperatures. When you leave Ice Ages, it's the other way around: The temperatures go… — Piers Corbyn Copy Share Image
The carbon dioxide concentration in the atmosphere is measured. It's uncontroversial. It's going up. We know that has a tendency to warm… — Martin Rees Copy Share Image
We're running the most dangerous experiment in history right now, which is to see how much carbon dioxide the atmosphere... can handle… — Elon Musk Copy Share Image
I think natural gas has been a big part of the solution if in fact we need to reduce man-generated carbon dioxide… — Todd Young Copy Share Image
It will be nearly impossible to slow warming appreciably without condemning much of the world to poverty unless energy sources that emit… — Henry Sylvester Jacoby Copy Share Image
Burning fossil fuels emits carbon dioxide. And carbon dioxide is a greenhouse gas that traps heat in the atmosphere. There is no… — Christine Todd Whitman Copy Share Image
“You might say I’ve become an unwilling expert on the Krebs Cycle. It’s vital to my existence. Life and death, really. That… — Jacob Whaler Copy Share Image
“It’s] pretty clear that times of high carbon dioxide—and especially times when carbon dioxide levels rapidly rose—coincided with the mass extinctions,” writes… — Peter Brannen Copy Share Image
Many of our actions degrade our habitat because we undertake them in order to reach goals whose allure blinds us to myriad… — Steven M. Stanley Copy Share Image
They absorb carbon monoxide and carbon dioxide and give out oxygen. What could be more desirable? And they look good in the… — Isaac Asimov Copy Share Image
There is no strong evidence to prove significant human influence on climate on a global basis. The global cooling trend from 1940… — Peter Stilbs Copy Share Image
Places that have become agricultural deserts, trashed by giant corporations, could be reforested, drawing carbon dioxide from the air on a vast… — George Monbiot Copy Share Image
Is there some magic wand they can wave on it and presto! - physics is overturned and carbon dioxide doesn't trap heat… — Al Gore Copy Share Image
If food was no longer obliged to make intercontinental journeys, but stayed part of a system in which it can be consumed… — Carlo Petrini Copy Share Image
[The doctrine of air] I was led into in consequence of inhabiting a house adjoining to a public brewery, where I at… — Joseph Priestley Copy Share Image
“Thinking! Thinking! The process should no longer be merely this feeble flurry of hailstones that raises a little dust. It should be… — J.M.G. Le Clézio Copy Share Image
“The world around us is a beautiful, supportive environment for human growth and flourishing. Isn't it amazing how everything we need to… — Carla Johnson Copy Share Image
The models that have been constructed agree that when, as has been predicted, the level of carbon dioxide or its equivalent in… — Bill McKibben Copy Share Image
There is a point of no return after which warming becomes unstoppable - and we are probably going to sail right through… — Gwynne Dyer Copy Share Image
I think the mother of all arguments against eating meat now is the climate change argument. Methane is a much more powerful… — Dale Jamieson Copy Share Image
“I avoid large groupings of people due to the high carbon dioxide environments they cause and the unnatural electromagnetic radiation emissions from… — Steven Magee Copy Share Image
Climate is not responding to greenhouse gases in the way we thought it might. If increasing carbon dioxide is in fact increasing… — Chris de Freitas Copy Share Image
Burning carbon-based substances like oil, gas, and especially coal, produces billions of tons of extra carbon dioxide each year. Methane gas from… — Bill Nye Copy Share Image
No chemical compound in the atmosphere has a worse reputation than CO2, thanks to the single-minded demonization of this natural and essential… — William Happer Copy Share Image
The idea that carbon dioxide is a carcinogen that is harmful to our environment is almost comical. Every time we exhale, we… — John Boehner Copy Share Image
When you have energy companies like Shell and British Petroleum, both of which are perhaps represented in this room, saying there is… — James Baker Copy Share Image
For the last 16 years, temperatures have been going down and the carbon dioxide has been going up and the crops have… — David Bellamy Copy Share Image
I don't like being called a denier because deniers don't believe in facts. There are no facts linking the concentration of atmospheric… — David Bellamy Copy Share Image
Carbon dioxide pollution is transforming the chemistry of the ocean, rapidly making the water more acidic. In decades, rising ocean acidity may… — Sigourney Weaver Copy Share Image
Many people I've met believe that plants are made up of soil-that the tree outside your house, for example, is mostly made… — Thom Hartmann Copy Share Image
We have an atmosphere that is roughly 21% oxygen. The rest of it is largely nitrogen. There's just enough carbon dioxide (CO2)… — Sylvia Earle Copy Share Image
Our early 21st century civilization is in trouble. We need not go beyond the world food economy to see this. Over the… — Lester R. Brown Copy Share Image
In the course of my stay there, I also showed how one could analyse the experimental kinetic curves for the reaction of… — Aaron Klug Copy Share Image
When you buy carbon offsets, you pay to take planet-warming carbon dioxide out of the atmosphere in exchange for the greenhouse gases… — Tatiana Schlossberg Copy Share Image
“...syn bio tech had come on stream, springing full-grown from the bench like the Incredible Hulk bursting his lab coat, a great… — Ken MacLeod Copy Share Image
The world beyond 450 ppm atmospheric concentrations of carbon dioxide, the world that crosses carbon cycle tipping points that quickly take us… — Joseph J. Romm Copy Share Image