Martha Freeman is the granddaughter of Rachel Carson’s friend, Dorothy Freeman, and the editor of Always Rachel: The Letters of Rachel Carson and Dorothy Freeman, 1952-1964.

Jayce Hafner serves as the Domestic Policy Analyst for The Episcopal Church, representing the Church’s policies on climate change and domestic poverty to U.S. Congress and the Administration.

Dr. Mike Sfraga is the Director of the Polar Initiative at the Woodrow Wilson Center. Sfraga is a geographer with a focus on the geography of Arctic landscapes, Arctic policy, […]

Susan Roberts is the director of the Ocean Studies Board at the National Research Council, the operating arm of the National Academy of Sciences. She received her Ph.D. in marine […]

Brian Skerry is a photojournalist specializing in marine wildlife and underwater environments. Since 1998 he has been a contract photographer for National Geographic magazine, covering a wide range of subjects […]

Catherine Zimmerman, an award-winning director of photography, celebrates her 41st year as a documentary filmmaker, working primarily on education and environmental issues. Environmental videos of hers include global warming documentaries […]

With over a decade in the social impact and media space, Heidi Nel (Principal and Head of Impact Entertainment, The Raben Group) is an accomplished strategist working at the intersection […]

Sue Dando, head of CBC’s flagship science program The Nature of Things, has a wide range of experience producing, directing and writing for television. For ten years, she was head […]

Wayne Pacelle is President and Chief Executive Officer of The Humane Society of the United States. Since his appointment in 2004, Wayne Pacelle has driven the growth of The HSUS […]

Judith Weisenfeld joined the Princeton faculty in 2007. Her field is American religious history, with particular emphasis on 20th century African American religious history; religion, race, and gender; and religion […]