paleoclimate

• “The IPCC has an extensive discussion [pdf] about so-called paleoclimate and in fact uses the climate record to test current climate models.”

  Bill Chameides: Non-Climate Scientist 'Climate Scientist' Sets the Record Straight

• “Even if we are going to have global warming, the paleoclimate record shows that with higher temperatures the growing season is longer, the north African Sahara desert turns into a well watered place of several million square km.”

  Dennis Wingo - Why Space? Why Now? - NASA Watch

• “Last week the industrious Steve McIntyre got hold of some paleoclimate data that has been used when trying to reconstruct the earth's temperature history.”

  Archive 2009-10-01

• “Hence paleoclimate says more extreme claims about sensitivity must be wrong.”

  AGU Day 2: The role of CO2 in the earth’s history | Serendipity

• “Hence paleoclimate says that the more extreme claims about sensitivity (especially those claiming very low levels) must be wrong.”

  2009 December | Serendipity

• “Hansen lists climate models third in his sources of understanding of climate change, after (1) paleoclimate and (2) observations of changes in the present and recent past.”

  2010 January | Serendipity

• “An obvious thing to do is to try it out on different periods of paleoclimate.”

  AGU Day 3 part C: How good are predictions from climate models? | Serendipity

• “We can be very confident that the climate is changing due to anthropogenic carbon emissions (observational studies, paleoclimate analysis and climate models all agree on this).”

  AGU Day 3 part C: How good are predictions from climate models? | Serendipity

• “People make extravagant claims -- "As certain as gravity," says Al Gore -- about a branch of science, paleoclimatology, that is only 25 years old (the first textbook on paleoclimate came out in 1980).”

  I Trust My Statistical Intuition, Arnold Kling | EconLog | Library of Economics and Liberty

• “It's clear from the paleoclimate record that the scale of the human perturbation of the carbon cycle is significant.”

  Hansen: Obama has only four years to save the world - NASA Watch

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