Green Sahara

This lecture is part of the The Earth Science Colloquium video series. The Earth Science Colloquium Series is sponsored by the Lamont-Doherty Earth Observatory and the Columbia University Department of Earth and Environmental Sciences (DEES). This series provides a lively forum for discussing a wide variety of topics within the earth sciences and related fields. Colloquia are attended by the full range of scientific and technical staff at LDEO.

Peter deMenocal is a Lamont Research Professor, a marine geologist and geochemist who uses stable isotopic and trace metal analyses of microfossil shells (foraminifera) to understand how and why past climates have changed.