If NASA were advancing a space frontier there would be challenges you've never seen before. You have to be creative and you… — Neil deGrasse Tyson Copy Share Image
One of the reasons the United States has actually been reducing its emissions in recent years is actually that there's been a… — Chris Mooney Copy Share Image
Senator Hillary Clinton is attacking President Bush for breaking his campaign promise to cut carbon dioxide emissions, saying a promise made, a… — Craig Kilborn Copy Share Image
The planet needs trees. If there is indeed that carbon dioxide out there in the atmosphere, the only species on the planet… — Wangari Maathai Copy Share Image
There is no proof that carbon dioxide is causing or precedes global warming…All indications are that the minor warming cycle finished in… — John Williams 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
President Bush insisted today that he was not caving in to big money contributors, big-time lobbyists, and overall industry pressure when he… — Dan Rather Copy Share Image
“What matters most is that we make sure that the most vulnerable, worst-off people living in shantytowns are lifted out of poverty.… — Bjorn Lomborg Copy Share Image
I must say that when I first learned of the existence of the Australian Greenhouse Office, I assumed it was responsible for… — Nick Minchin Copy Share Image
“at 378 parts per million, current CO2 levels are unprecedented in recent geological history. (The previous high, of 299 parts per million,… — Elizabeth Kolbert Copy Share Image
I can't believe that Hillary Clinton wants the world to think that whenever she gets into political trouble, she's going to have… — Joe Klein 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
“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
“They found that temperature and carbon dioxide levels have oscillated in parallel, like two roller coasters moving together, in synchronization over many… — Michio Kaku 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
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
Climate change is a crucial issue in todays global agenda. Hopefully, we will wake up to this reality, sooner rather than later.… — Joseph Muscat Copy Share Image
A couple degrees warmer would be good for humanity and planet, especially with more plant-fertilizing carbon dioxide in the air. [...] But… — Paul Driessen Copy Share Image
“Environmental issues would remain, as the carbon dioxide generated by the kilning of billions of bricks would probably be equivalent to the… — Robert Courland Copy Share Image
If it were only a few degrees, that would be serious, but we could adapt to it. But the danger is the… — Stephen Hawking Copy Share Image
“we learn that the way to deal with our carbon dioxide problem is through technology (low-carbon energy sources; whiz-bang contraptions to capture… — Judith D. Schwartz Copy Share Image
As a scientist, my attention became totally focused on global warming some 15 years ago by the elegant and powerful measurements of… — John Olver Copy Share Image
All this argument is the temperature going up or not, it's absurd. Of course it's going up. It has gone up since… — Reid Bryson Copy Share Image
“When Glacier Park was established in 1910, it had about 150 glaciers. Today, with human activities spewing carbon dioxide and methane as… — Douglas Chadwick Copy Share Image
1.5 billion people lack proper access to electricity. Many buy kerosene, which can cost 30 percent of their income. It sends millions… — Jacqueline Novogratz Copy Share Image
Anything greater than 350 of parts of carbon dioxide per million is more than the planet can safely deal with. It is… — Donald Trump Copy Share Image
On a per capita basis, Britain is responsible for more of the carbon dioxide now in the atmosphere than any other nation… — James Hansen Copy Share Image
Air is one we hold in common; it has a limited carrying capacity for pollutants and that's being used up by those… — Jay Inslee Copy Share Image
The climate's sensitivity to greenhouse gases is considerably lower than the Intergovernmental Panel on Climate Change claims - so much lower, in… — Kenneth P. Green Copy Share Image
We have to, in the next ten years, begin to decrease the rate of carbon dioxide emissions and then flatten it out.… — James Hansen 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
Is the warming unprecedented? Probably not. There is abundant historical and proxy evidence for both hotter and cooler periods in human history.… — Don Aitkin Copy Share Image
I know that nuclear is better than fossil fuels when it comes to carbon dioxide, but nuclear energy is by no means… — Sheryl Crow Copy Share Image
Natural gas emits only half the carbon dioxide of coal when burned, but if methane leaks when oil companies extract it from… — Thomas Friedman Copy Share Image
We need to be realistic. There is very little we can do now to stop the ice from disappearing from the North… — Prince Charles Copy Share Image
Too many cars, too many factories, too much detergent, too much pesticides, multiplying contrails, inadequate sewage treatment plants, too little water, too… — Paul R. Ehrlich Copy Share Image
What an honor. What a responsibility. What a gift we have been given to be born in an atmosphere with oxygen and… — Marina Keegan Copy Share Image
The Earth is warming but physical evidence from around the world tells us that human-emitted carbon dioxide has played only a minor… — Fred Singer 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
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
![“A couple degrees warmer would be good for humanity and planet, especially with more plant-fertilizing carbon dioxide in the air. [...] But a couple degrees colder would bring serious adverse consequences for habitats, wildlife, agriculture and humanity."” quote by Paul Driessen](https://sms4smile.com/quotes/i/cbe/paul-driessen-50132_adverse_a-couple-degrees-warmer-would-be-good-fo_3071593.jpg)
