Title: Professor

Institution: Harvard University

Degree: PhD, Geology

Specialty:  Climate and climate change over the broadest range of Earth history. He has examined changes in ocean circulation over the last several decades, with particular attention to El Niño and the tropical Pacific. He has worked on theories for Pleistocene ice-age cycles including a better determination of ocean temperatures during the Last Glacial Maximum, 20,000 years ago.

Website: http://eps.harvard.edu/people/faculty/schrag-group