Aspen Ideas Festival

John Donvan is the moderator for Intelligence Squared US. He is an author and correspondent for ABC News. He has hosted Nightline, World News, Good Morning America, and NPR’s “Talk of the Nation,” in addition to producing “My Generation” for PBS. He has also served as ABC’s... Read More →

Deborah Goldberg is a managing attorney at Earthjustice, the world’s first and largest nonprofit environmental law firm, where she focuses on legal advocacy and litigation related to global warming and environmental health. Earthjustice provides free legal representation to more... Read More →

Katherine Hudson is the Watershed Program director at Riverkeeper, a member-supported watchdog organization dedicated to defending the Hudson River and protecting the drinking water supply of nine million New York City and Hudson Valley residents. Riverkeeper is led by President Paul... Read More →

Joe Nocera is an op-ed columnist at The New York Times. Before joining the opinion pages in 2011, he wrote the Talking Business column and was a staff writer for The New York Times Magazine. He also serves as a regular business commentator for NPR’s “Weekend Edition.” Before... Read More →

Sue Tierney is a managing principal at Analysis Group, where she is an expert on energy economics and environmental issues, focusing on the electric and gas industries. She consults to businesses, government agencies, nongovernmental organizations, Indian tribes, and others. Tierney... Read More →