NATURE "Penguins of the Antarctic" Preview PBS

PBS airdate: Penguins of the Antarctic premiering on November 12, 2006 at 8 p.m. (ET) on PBS (check local listings). NATURE braves the extreme conditions of Earth's southernmost continent for a close-up look at the varied penguins of the Antarctic. Watch a preview of Penguins of the Antarctic. This one-hour program follows the penguins on their difficult journey through the cycle of seasons and explores how a changing climate is affecting their habitat and survival For more information visit www.pbs.org/nature