Photograph by Stacie Isabella Turk

LAURIE DAVID is a global warming activist and the producer of the Academy Award-winning film An Inconvenient Truth and the HBO documentary Too Hot Not to Handle. She executive-produced Earth to America!, a primetime comedy special about global warming, which earned her a Gracie Allen Award for Individual Achievement. A trustee of the Natural Resources Defense Council, Laurie founded the Stop Global Warming Virtual March with Senator John McCain and Robert F. Kennedy, Jr. She was the first-ever guest editor of the green May 2006 and 2007 issues of Elle magazine. In 2006 Laurie published her first book, the bestseller Stop Global Warming: The Solution Is You. She also launched the Stop Global Warming College Tour with Sheryl Crow, on which they visited college campuses throughout the Southeast on a biodiesel tour bus.

Laurie David received the prestigious Stanley Kramer Award from the Producers Guild of America and a Humanitas Prize Special Award for An Inconvenient Truth. She has been honored with the Audubon Society's Rachel Carson Award, the Feminist Majority's Eleanor Roosevelt Award, the NRDC's 2006 Forces for Nature Award, and by Robert F. Kennedy Jr.'s Riverkeeper organization.

Laurie, a regular blogger on the Huffington Post, has been featured on such shows as Oprah, Good Morning America, and on CNN and has been profiled in numerous magazines, including Vanity Fair, which called her the "Bono of climate change." She lives in Los Angeles, California.

Photograph by Stacie Isabella Turk

CAMBRIA GORDON is an Award-winning former advertising copywriter who now pursues children's writing full-time. Her credits include a nonfiction book, Fifty Nifty Crafts to Make With Things Around the House, and an episode for the award-winning animated Disney Channel series Madeline.

Cambria is an active environmentalist and lives with her husband and their three children in Los Angeles, California.