Distinguished Professor of Geological Sciences, University of Colorado Boulder
His primary research interests focus on gaining an improved understanding of how the physical Earth system operates.
He is specifically interested in using the Quaternary (the last 2.58 million years to the present) as a means to reconstruct the coupled ocean/atmospheric/ice climate system.
By reconstructing past environmental changes, it is possible to get a better understanding of the rates and magnitude of natural climate variability and the various feedback mechanisms in the global climate system.
He is also interested in the role of humans in the modification of landscapes and ecosystem on Quaternary timescales.
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