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
Naturally, we will continue to offer very powerful vehicles in the future. Nevertheless, no other manufacturer has reduced the CO2 emissions of… — Norbert Reithofer 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
Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences… — George W. Bush Copy Share Image
I thought if the climate was heating that CO2 was the only forcing, and it would be late in the century before… — Paul R. Ehrlich Copy Share Image
We have used the majority of our carbon budget and we are already at dangerous levels of CO2 concentrations, about 400 parts… — Graciela Chichilnisky Copy Share Image
We have to remove the CO2 that the industrial economy has already emitted, which otherwise will remain in the atmosphere for hundreds… — Graciela Chichilnisky Copy Share Image
...probably the single-most concrete and substantive thing an American, young American, could do to lower our carbon footprint is not turning off… — Andrew Revkin Copy Share Image
CO2 is a minor player in the total system, and human CO2 emissions are insignificant compared to total natural greenhouse gas emissions.… — Jonathan Duhamel Copy Share Image
The majority of humankind does not accept this system, despite claims of worldwide support. Even with Russia's ratification, 75% of the world's… — Andrey Illarionov Copy Share Image
The difference between a healthy environment and an unhealthy environment can be summed up in one word, and it's not 'CO2' or… — Alex Epstein Copy Share Image
For me the two biggest issues are climate change and animal welfare/animal agriculture. And oddly enough animal agriculture is such a contributor… — Moby Copy Share Image
It is in fact necessary to reduce CO2 emissions. There is no reason why we shouldn't spend our vacations on (the North… — Hans von Storch Copy Share Image
A billion homo sapiens are added every 11 years to the planet. The hypertrophy of a single species pushes other life-forms out… — Leonard Sweet Copy Share Image
Each year we pump at least six billion tons of heat-trapping carbon into the innermost layer of our atmosphere, whose outer extent… — Ross Gelbspan Copy Share Image
I am troubled by the lack of common sense regarding carbon dioxide emissions. Our greatest greenhouse gas is water. Atmospheric spectroscopy reveals… — Michael Myers Copy Share Image
Eventually we'll use a CO2 tax offset by a reduction in taxes elsewhere alongside a cap-and-trade plan, but the degree of difficulty… — Al Gore Copy Share Image
If you didn't auction the [CO2] permits, it would represent the largest corporate welfare program that has ever been enacted in the… — Peter R. Orszag Copy Share Image
We now know that we cannot continue to put ever-increasing amounts of CO2 into the atmosphere. Actions have consequences. In fact, the… — Cary Fowler Copy Share Image
NASA's Aqua satellite is showing that water vapor, the dominant greenhouse gas, works to offset the effect of carbon dioxide - CO2.… — Walter Cunningham Copy Share Image
Statistics compiled by the German Federal Motor Transport Authority highlight how successfully we have reduced fuel consumption. A few years ago, the… — Norbert Reithofer Copy Share Image
By geo-historical standards, today's atmospheric CO2 levels are remarkably - indeed dangerously - low. We need CO2 in the air to support… — Roger Helmer Copy Share Image
There are many direct biological benefits that result from higher atmospheric CO2 concentrations. Two of the most important are increased plant photosynthesis… — Keith E. Idso Copy Share Image
Despite all the progress climate scientists have made in understanding the risks we run by loading the atmosphere with CO2, the world… — Jeff Goodell Copy Share Image
I am not a global warming sceptic. I accept that rising human-caused CO2 from fossil sources could 'change the climate'. The basic… — Chris de Freitas Copy Share Image
It's important to see things in perspective. Automobile traffic is responsible for only 12 percent of total CO2 emissions. One should be… — Martin Winterkorn Copy Share Image
Global warming alarmists invariably try to make their case by resorting to rhetoric, dogma, opinion, and emotion. The closest thing to scientific… — Walter Cunningham Copy Share Image
By using vertical space more effectively, you not only make more room for greenery but shorter commutes also mean less pressure on… — Minoru Mori Copy Share Image
My view is that we don't know what's causing climate change on this planet. And the idea of spending trillions and trillions… — Mitt Romney Copy Share Image
The industrialization of China alone would increase by 90 percent the concentration of CO2 in our atmosphere and would at least increase… — John Olver Copy Share Image
The concentration of atmospheric carbon dioxide has changed greatly since fossilized life began on Earth nearly 600 million years ago. In fact,… — Greg Benson Copy Share Image
We face the gravest threat that civilization has ever confronted. It's global in nature and requires a global solution. Increased CO2 emissions… — Al Gore Copy Share Image
Beneath the ocean surface, bad things are happening. Increasing CO2 makes ocean water more acid, and that threatens to dissolve the shells… — Mark Powell Copy Share Image
The scientists who do climate research understand that much of the ever increasing concentration of CO2 in the atmosphere since 1850 must… — John Olver Copy Share Image
There appears to be a lot of confusion about the biological benefits of elevated CO2 because the popular media typically fails to… — Keith E. Idso Copy Share Image
Rush Limbaugh is beginning to look more and more like Mr. Big, and at some point somebody's going to jam a CO2… — Chris Matthews Copy Share Image
Even if we planted a tree on every square yard available in the planet by the end of the century we would… — Graciela Chichilnisky Copy Share Image
... For nearly a decade now, there has been no global warming. Even though atmospheric CO2 has continued to accumulate - up… — Walter Cunningham Copy Share Image
Changing the world's oceans to increase their uptake of CO2, as other geoengineering solutions propose, is equally dangerous, as the increased resulting… — Graciela Chichilnisky Copy Share Image
The climate system is constantly readjusting naturally in a large way - more than we would ever see from CO2. The CO2… — Willie Soon Copy Share Image