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Stephen Pacala

Tree-Bark Thickness Indicates Fire-Resistance in a Hotter Future

Publish Date: 
Wednesday, January 11, 2017 - 10:15am

A new study has found that trees worldwide develop thicker bark when they live in fire-prone areas. The findings suggest that bark thickness could help predict which forests and savannas will survive a warmer climate in which wildfires are expected to increase in frequency.

PEI Faculty Seminar Series Video: Competition, Hydraulic Damage, and the Universal Rules Regulating Plant Water Use

Publish Date: 
Tuesday, October 11, 2016 - 2:30pm

Discover Princeton Environmental Institute

Stephen Pacala, former director of the Princeton Environmental Institute (PEI), provides a visual tour of the University's interdisciplinary center for environmental research, education and outreach. In this video Pacala discusses the Institute's mission, world-class faculty, interdisciplinary research and unique educational opportunities, including internships.

Unleashing Innovation: Tackling Environmental Challenges

Spirit of Service '76 and the Princeton Environmental Institute examine inventive solutions to environmental problems.

Drought and the Global Carbon Cycle

Elliot Chang at the vacuum line, for cryogenic distillation of plant water samples. Photo credit: James O'DonnellDrought is anticipated to have a major impact on the carbon cycle in the coming century.

Stephen Pacala Awarded Funding For New Course: The Environmental Nexus

Publish Date: 
Monday, May 16, 2016 - 10:15am

Stephen Pacala, the Frederick D. Petrie Professor in Ecology and Evolutionary Biology and former director of the Princeton Environmental Institute (PEI), has been awarded funding through Princeton University’s 250th Anniversary Fund for Innovation in Undergraduate Education to create a new Environmental Studies course, ENV 200 “The Environmental Nexus”, to examine a collection of global environmental crises.

In Rainforests, Battle for Sunlight Shapes Forest Structure

Publish Date: 
Friday, January 8, 2016 - 4:30pm

Despite their diversity, the structure of most tropical rainforests is highly predictable. Scientists have described the various sizes of the trees by a simple mathematical relationship called a power law.

With an Extension of Financial Support from BP, Princeton’s Carbon Mitigation Initiative Now to Run to 2020

Publish Date: 
Sunday, November 23, 2014 (All day)
Princeton University President Christopher E. Eisgruber and Felipe Bayon, senior vice president, BP America, shaking hands during the renewal announcement.
Princeton University President Christopher E. Eisgruber (left) and Felipe Bayon (right), senior vice president, BP America, shaking hands during the Carbon Mitigation Initiative (CMI) renewal announcement. (Photo by Mark Czaijkowski)

Secrets of the Southern Ocean

Publish Date: 
Sunday, November 17, 2013 (All day)