Carbon dioxide Quote by Judith D. Schwartz

The concentration of atmospheric carbon dioxide has changed greatly since fossilized life began on Earth nearly 600 million years ago. In fact, there is…

— Greg Benson

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

Burning carbon-based substances like oil, gas, and especially coal, produces billions of tons of extra carbon dioxide each year. Methane gas from cows and…

— Bill Nye

The scientists who do climate research understand that much of the ever increasing concentration of CO2 in the atmosphere since 1850 must be attributed…

— John Olver

The fundamental reason why carbon dioxide in the atmosphere is critically important to biology is that there is so little of it. A field…

— Freeman Dyson

Anything greater than 350 of parts of carbon dioxide per million is more than the planet can safely deal with. It is what's overwhelming…

— Donald Trump

I am troubled by the lack of common sense regarding carbon dioxide emissions. Our greatest greenhouse gas is water. Atmospheric spectroscopy reveals why water…

— Michael Myers

“it turns out, is the natural and the most cost-effective carbon sink. According to Rattan Lal, Distinguished University Professor at the Ohio State University,…

— Judith D. Schwartz

The coal plants that will be built from 2005 to 2030 will release as much carbon dioxide as all of the coal burned since…

— Joseph J. Romm

When I was a boy in the 1930s, the carbon dioxide level was still below 300 parts per million. This year, it reached 382,…

— David Attenborough

Each year we pump at least six billion tons of heat-trapping carbon into the innermost layer of our atmosphere, whose outer extent is only…

— Ross Gelbspan

Essentially, by 2050 we need all activities outside agriculture to be near zero carbon emitting if we are to stop carbon dioxide levels in…

— David Miliband