Ngugi wa Thiong'o speaks at the PEN event Africa and the World: The Writer's Role, part of the 2005 PEN World Voices Festival. More

James Hansen, one of the world's leading climatologists and author of Storms of My Grandchildren, discusses climate change at Weather Report: What Can We Do?, part of the 2010… More

Frederic Hauge, founder and director of the international environmental organization the Bellona Foundation, discusses climate change at Weather Report: What Can We Do?, part of the 2010 PEN World… More

Bjørn Lomborg, an Adjunct Professor at Copenhagen Business School and author of the controversial The Skeptical Environmentalist: Measuring the Real State of the World and Cool It: The Skeptical… More

Bill McKibben, author of The End of Nature, Earth: Making a Life on a Tough New Planet, and numerous other books, discusses climate change at Weather Report: What Can… More

Author and environment journalist Andrew Revkin, whose biography of Chico Mendes formed the basis of the feature film The Burning Season, discusses climate change at Weather Report: What Can… More

Cynthia Rosenzweig, co-chair of the New York City Panel on Climate Change, discusses climate change at Weather Report: What Can We Do?, part of the 2010 PEN World Voices… More

Jostein Gaarder, author of the internationally-acclaimed novel Sophie's World and creator of the Sophie Priz, discusses climate change at Weather Report: What Can We Do?, part of the 2010… More

Natsuo Kirino, author of OUT, discusses her work and Japanese literature at the PEN event International Noir, part of the 2005 PEN World Voices Festival. More

Paco Ignacio Taibo discusses his novel Leonardo's Bicycle at the PEN event International Noir, part of the 2005 PEN World Voices Festival. More