ONE EARTH Biosphere Declaration – Sign today


A Declaration on the Integrity of the Earth’s Biosphere and a Just Future for All

Chaired by Dr. Thomas E. Lovejoy, the following is a leadership initiative conceived of by the Leonardo DiCaprio Foundation and the National Council for Science and the Environment.


Under the leadership of Dr. Lovejoy as Chair, the National Council for Science and the Environment and the Leonardo DiCaprio Foundation invite scientists from around the world to join this leadership effort and sign on to the Declaration. To sign, please visit the One Earth‘s Biosphere Declaration to add your name.

The Declaration will be delivered to the Global Climate Summit hosted by California Governor Jerry Brown in September 2018 and continue to grow engagement and signatures over time.

Important Dates for Students

SPRING 2020 Semester (modified due to COVID-19)

MLK Day (university closed): Jan 20

First day of classes: Jan 21

Spring Break (extended): Mar 9-20

Dissertation/Thesis Deadline: May 8

Last day of classes: May 11

Reading Day(s): May 12

Final Exam Period: May 13-20

University Commencement: May 22 (tentative)

COVID-19 DATE CHANGES – For the complete modified spring calendar, see and for latest COVID-19 updates, see: