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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.
The two columns below show quotes (left column) from John Shimkus paired with what the science says (right column). Click on text in right column for full details.
Quotes by John Shimkus
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What the Science Says
"Today we have about 388 parts per million in the atmosphere. I think in the age of dinosaurs, when we had the most flora and fauna, we were probably at 4,000 parts per million. There is a theological debate that this is a carbon-starved planet — not too much carbon."