Mark Hertsgaard is a journalist and author whose current work focuses on new ways of understanding and combating climate change. As an Open Society Fellow, he is writing a book examining the need to adapt to the inevitable dire consequences of global warming, even as we work to mitigate its harmful effects.

Hertsgaard covers the environment for the Nation and has written for numerous other publications, including the New Yorker, Vanity Fair, Time, the New York Times, the Washington Post, Salon, the Guardian, Die Zeit and Le Monde. A partial listing of his articles can be found on his website.

Hertsgaard is the author of five previous books, which have been translated into fifteen languages, including most recently The Eagle's Shadow:  Why America Fascinates and Infuriates the World (2002).  His other books are Earth Odyssey: Around the World In Search of Our Environmental Future (1999), A Day In The Life: The Music and Artistry of the Beatles (1995), On Bended Knee: The Press and the Reagan Presidency (1988), and Nuclear Inc.:  The Men and Money Behind Nuclear Energy (1983).

Hertsgaard was also a 2006 Open Society Institute Katrina Media Fellow.