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. Originally established as the Sierra Club Legal Defense Fund, Earthjustice provides legal representation—at no cost—to more than 1,000 clients, ranging from large national groups such as the Natural Resources Defense Council and the National Audubon Society, to smaller community coalitions, such as Friends of the Everglades. Before joining Earthjustice, Goldberg was the Democracy Program Director of the Brennan Center for Justice at NYU School of Law.

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. It is led by President Paul Gallay and its Chief Prosecuting Attorney Robert F. Kennedy Jr. Hudson joined Riverkeeper after nearly 25 years spent in government protecting the environment of New York State. Hudson has been Assistant Attorney General in the office’s Environmental Protection Bureau, and has served in the New York State Department of Environmental Conservation, working in all program areas, including air quality, water quality, solid and hazardous waste and mining.

Joe Nocera is an op-ed columnist. Before joining The Opinion Pages, he wrote the Talking Business column for The New York Times and was a staff writer for The New York TimesMagazine. He also serves as a regular business commentator for NPR‘s Weekend Edition with Scott Simon. Before joining The Times, Nocera spent 10 years at Fortune Magazine, where he held a variety of positions, including contributing writer, editor-at-large, executive editor and editorial director. His most recent book, co-written with Bethany McLean, is All The Devils: The Hidden History of the Financial Crisis, their bestselling account of the financial crisis.

Susan Tierney is a Managing Principal at Analysis Group, where she specializes in the electric and gas industries. She has consulted to companies, governments, non-profits, and other organizations on energy markets, economic and environmental regulation and strategy, and energy facility projects. A former Assistant Secretary for Policy at the U.S. Department of Energy and state public utility commissioner, she is a member of the Bipartisan Policy Center’s energy project and the Secretary of Energy’s Advisory Board. She was appointed to the National Petroleum Council and serves as an ambassador for the U.S. Clean Energy Education & Empowerment program, an initiative of the Department of Energy and MIT.