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Archive – July 2010

Levin was chosen for his fundamental contributions in theoretical ecology and for his ground-breaking research on integrating different scales in understanding ecological processes.
Climate change's impacts on crop yields may force as many as seven million Mexicans to emigrate to the U.S. over the next 70 years, according to research published July 26 in the Proceedings of the National Academy of Sciences.
Climate change is expected to cause mass human migration, including immigration across international borders.
Robert Socolow, professor of mechanical and aerospace engineering, has received the Keystone Award for Leadership in the Environment.
Two members of the Princeton University faculty have been recognized for major contributions to ecological research.
The oscillations during the past 2.5 million years between ice ages and interglacials were probably triggered by orbital changes, but the observed amplitude and timing of these climate cycles still awaits a full explanation. One notable correlation links lower partial pressure (or concentration) of CO2 with ice ages: changes in CO2 concentration may cause some of the ice-age cooling, but what causes the loss of CO2 is unknown. Daniel Sigman, Mathis Hain and Gerald Haug review the evidence in sup