Penguins of the Antarctic

Emperors and kings, chinstraps and Adélies, the penguins of Antarctica all make their home in one of the most unforgiving environments on Earth. Their life has always been a constant struggle to survive. But their biggest challenge may be yet to come. As the climate changes, long established territories are being invaded, and traditional nesting colonies are being disrupted. How will these extraordinary birds deal with the full effects of global warming?