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Ramanan Laxminarayan explains why our antibiotics no longer work as well as they used to and discusses what we can do about it.
Four graduate students were selected to receive the Princeton Environmental Institute (PEI) Walbridge Fund Graduate Award in support of their dissertation research at Princeton.
This year’s recipients include: Rachel Baker, Cleo Chou, Qixing Ji, and Timothy Treuer. Their research addresses important issues in climate change including carbon sinks, tropical forest regeneration, and the production of the greenhouse gas, nitrous oxide.
Initiated in 2009, the PEI Walbridge Fund has provided
Five graduate students have been awarded 2015 PEI-STEP Environmental Policy Fellowships by the Princeton Environmental Institute (PEI). The recipients include: Jane Baldwin from atmospheric and oceanic sciences, Ryan Edwards from civil and environmental engineering, Jack Hoang Lu from chemical and biological engineering, and Andrew Tilman and Timothy Treuer from ecology and evolutionary biology.

2015 PEI-STEP Fellows

Jane Baldwin, Perkins Fellow

Jane Baldwin
Ph. D. Thesis: Climat
Phil Hannam, former Princeton Energy and Climate Scholar, writes about China's emergence as a key partner in India’s coal power development, and the broad implications for India’s climate change strategy.
During this year's Class Day at the Princeton Environmental Institute (PEI), 38 graduating seniors were awarded Environmental Certificates and three seniors were awarded prizes. Over 100 family members, friends, faculty, and staff gathered in Guyot Hall in celebration.

38 graduating seniors from 14 different departments were awarded Certificates in Environmental Studies. (Photo by PEI Staff)
Kelly Caylor, director of Princeton University's Program in Environmental Studies
On Friday, May 8th, the Princeton Environmental Institute hosted its annual Discovery Day—a multidisciplinary poster session celebrating undergraduate senior thesis research on environmental issues. Over 50 students from 16 academic departments showcased their work which was mentored by 34 faculty advisers.
Discovery Day is a culminating event for students participating in the Program in Environmental Studies and for students receiving field research support from PEI and the Grand Challen

Sunset over the Mississippi River. (Photo credit: Katherine Smith)
For many years Katherine Smith has been fascinated by the complexities of riparian ecology, but as she approached her senior year at Princeton University the ecology and evolutionary biology major felt the need to transition from the classroom to the real world. So when it came time to choose a senior thesis project, Smith turned her attention to the Lower Mississippi River watershed to study a pressing problem of water po
This panel will highlight research and educational activities currently underway by faculty, alumni, and graduate and undergraduate students to address the “food problem.” The broad focus will include health, environment, animal ethics, climate change, and food production and sufficiency. The event is free and open to the public.
When: May 29, 2015 at 10:00 am | McCosh, Room 46

Kelly Caylor, Associate Professor of Civil and Environmental Engineering;

Former Walbridge Fund Graduate Award recipient Paul Elsen among first to map the shape of the world’s major mountain ranges.
Termites can keep desertification at bay by adding nutrients and helping water infiltrate soil, but the vegetation patterns that result can be confusing.
A team of researchers has found that greenhouse gasses a million years ago were only slightly higher than they were between 450,000 and 800,000 years ago.
The Carbon Mitigation Initiative (CMI) held its 14th annual meeting at Princeton University on April 14 and 15, 2015. More than 100 participants gathered to discuss CMI’s most recent initiatives in the areas of science, technology, and integration and outreach.
In recent years, as governments have begun to protect tropical forests because of the carbon they store, other vast tropical ecosystems have come under increasing threat.
Robert Pringle, an assistant professor of ecology and evolutionary biology, was named one of nine Early Career Fellows nationwide by the Ecological Society of America (ESA). Fellows are elected by ESA members, and the five-year fellowships recognize early-career researchers for their contributions and potential contributions to ecology.
This spring, 12 Princeton undergraduates are joining forces in the interdisciplinary course "Environmental Challenges and Urban Solutions" to confront urbanization and environmental problems and to rethink traditional theories about nature and city dynamics.
Princeton University-led research provides a new weapon in the struggle against the devastating wildlife trade: the very markets where animals are bought and sold.
wE-unions is an interactive, playful, & all-invited event about environment, public space, justice, and community. Designed and led by students in the spring 2015 Atelier course, "Performing Environmental Stories," with professors Jenny Price and Kelly Baum.
Monday, May 4, 2015 at 4 p.m. on Frist Campus Center Lawn

Trash-themed PU-rade starts at 7:30 p.m.
Since he was a child, Princeton University senior Dayton Martindale has loved science. So much so that after he receives his bachelor's degree in astrophysical sciences this year, he doesn't want to be a scientist.
In 2012, Swahili lecturer Mahiri Mwita approached Princeton University's chapter of Engineers Without Borders (EWB) with the idea of starting a project in the Kuria District of Kenya where he grew up.
Researchers at Princeton University have found that the common test of bouncing a household battery to learn if it is dead or not is not actually an effective way to check a battery's charge.
PEI postdoc William Anderegg and colleagues publish new findings about the role of drought in contributing to aspen trees’ death.
On Earth Day Princeton University community is observing the annual global event supporting the environment with a series of events.
Cleo Chou, ecology and evolutionary biology graduate student and PECS Fellow is a recipient of an Ecological Society of America’s 2015 Graduate Student Policy Award.
In an opinion piece in the journal Nature Lars Hedin discusses the need to better understand whether carbon uptake in forests worldwide is slowing.
For the first time, Princeton University researchers and colleagues have conducted a broad assessment of antibiotic consumption in livestock around the world.