Around the world Quote by Jonathon Porritt

Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people…

— Bill Gates

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

Attributing global climate change to human CO₂ production is akin to trying to diagnose an automotive problem by ignoring the engine (analogous to the…

— Timothy Ball

Concentration of greenhouse gases, especially CO2, have increased substantially since the beginning of the industrial revolution. And the National Academy of Sciences indicates that…

— George W. Bush

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

CO2 is the exhaling breath of our civilization, literally... Changing that pattern requires a scope, a scale, a speed of change that is beyond…

— Al Gore

Undoubtedly, at the moment, the major cause of CO2 emission is what happens in developed countries.

— Chris Patten

There appears to be a lot of confusion about the biological benefits of elevated CO2 because the popular media typically fails to report them.…

— Keith E. Idso

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

“Research on air quality in New York City, Phoenix, and Baltimore shows that ambient CO2 parts per million (ppm) levels can spike into the…

— Linda Marsa

Our CO2 mixes with everyone else's within a year, then hangs around for centuries like a shroud.

— William H. Calvin

“CO2 had increased due to human activities, CO2 will continue to increase unless changes are made, and these increases will affect weather, agriculture, and…

— Naomi Oreskes