Wei Peng

Assistant Professor of Public and International Affairs and the Andlinger Center for Energy and the Environment

A structure of metal girders crossing a pond at a sewer plant — Photo by iStock

Many nations underestimate greenhouse emissions from wastewater systems, but the lapse is fixable

Illustration of an electric car plugged in, with its battery visible. Background shows a map of China and India, and smokestacks emitting pollution, symbolizing energy and environmental themes. — Photo illustration by Bumper DeJesus

Electric vehicle transition could create unwanted air pollution hotspots in China and India

In a collage, Lady Justice stands in front of a coal-fired power plant.

Retiring coal plants with climate and equity in mind

Faculty member, seated at end of row of colleagues, leads panel discussion.

Andlinger Center for Energy and the Environment

Decarbonizing the world while increasing energy access worldwide

Fountain by the SPIA

Princeton School of Public and International Affairs