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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.

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The Consensus Project

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	Climate's changed before
	It's the sun
	It's not bad
	There is no consensus
	It's cooling
	Models are unreliable
	Temp record is unreliable
	Animals and plants can adapt
	It hasn't warmed since 1998
	Antarctica is gaining ice
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Inaction vs Action

The benefits of reducing greenhouse gas emissions outweigh the costs by trillions of dollars. Combining the results of the report by the German Institute of Economic Research and Watkiss et al. (2005) studies, we find that the total cost of climate action (cost plus damages) by 2100 is approximately $12 trillion, while the cost of inaction (just damages) is approximately $20 trillion.