Date: April 17, 2012 from 11:00 am to 12:00 pm EDT

Location: 205 Monell Lamont Campus, Columbia University, Palisades, NY

Speakers: Jonathan Winter, Center for Climate Systems Research, The Earth Institute, Columbia University; Alex Ruane NASA/Goddard Institute for Space Studies (GISS), The Earth Institute, Columbia University

Date: April 17, 2012 from 1:00 pm to 2:00 pm EDT

Location: Columbia University, Lamont Campus, Gary C. Comer Geochemistry Building, First Floor Seminar Room

Speaker: Jennifer Levy, Graduate Student, Department of Earth and Environmental Sciences (DEES), Columbia University

Date: April 18, 2012 from 12:10 pm to 1:00 pm EDT

Location: Columbia University, Lamont-Doherty Earth Observatory, Seismology Seminar Room

Speaker: Diana Roman, Carnegie Institute of Washington

Date: April 18, 2012 from 2:30 pm to 5:00 pm EDT

Location: Columbia University, Morningside Campus, Lerner Hall, Room 555

Speakers: Various

Date: From April 19, 2012 through April 20, 2012, All Day Event

Location: Columbia University, Lamont-Doherty Earth Observatory, Monell Building Auditorium

Speakers: Various

Date: April 19, 2012 from 11:00 am to 12:00 pm EDT

Location: Comer Auditorium, Lamont Campus, Columbia University, Palisades, NY

Speakers: Various

Date: April 20, 2012 from 11:00 am to 12:00 pm EDT

Location: Columbia University, Lamont-Doherty Earth Observatory, Gary C. Comer Geochemistry Building, First Floor Seminar Room

Speaker:Benjamin Cook, NASA/Goddard Institute for Space Studies (GISS), The Earth Institute, Columbia University

Date: April 20, 2012 from 12:15 pm to 1:00 pm EDT

Location: Columbia University, Lamont-Doherty Earth Observatory, Gary C. Comer Geochemistry Building, First Floor Seminar Room

Speaker: Ben Ward, Postdoctoral Associate, Massachusetts Institute of Technology (MIT)

Date: April 20, 2012 from 12:15 pm to 1:00 pm EDT

Location: Columbia University, Lamont-Doherty Earth Observatory, Gary C. Comer Geochemistry Building, First Floor Seminar Room

Speaker: Ben WardPostdoctoral Associate, Massachusetts Institute of Technology (MIT)

Date: April 20, 2012 from 3:30 pm to 4:30 pm EDT

Location: Columbia University, Lamont-Doherty Earth Observatory, Gary C. Comer Building Seminar Room - 1st Floor

Speaker: Michael J. Graetz, Isidor and Seville Sulzbacher Professor of Law, Columbia Alumni Professor of Tax Law, Columbia University

Date: April 22, 2012 from 3:00 pm to 4:00 pm EDT

Location: Columbia University, Lamont-Doherty Earth Observatory, Monell Building Auditorium

Speaker: Peter Kelemen, Arthur D. Storke Memorial Professor, Lamont-Doherty Earth Observatory, The Earth Institute, Columbia University

Date: April 23, 2012 from 3:00 pm to 5:00 pm EDT

Location: Columbia University, Gary C. Comer Building, 1st Floor Conference Room, Lamont-Doherty Earth Observatory, 61 Route 9W Palisades, NY

Speakers: David C. Chritiani, Harvard Superfund Research Program, Harvard Medical School and School of Public Health; Michael Berg, Senior Scientist, Eawag, Swiss Federal Institute of Aquatic Science & Technology