MY JOURNEY TO ANTARCTICA INCLUDED SEVERAL DAYS IN SOUTH GEORGIA AND THE FALKLAND ISLANDS. OF 21 EXISTING SPECIES OF PENGUINS WORLDWIDE, I PHOTOGRAPHED SEVEN. BECAUSE OF GLOBAL WARMING, THE SEA ICE HAS BEEN DISAPPEARING ON THE MAIN CONTINENT AND ESPECIALLY THE ANTARCTIC PENINSULA. A 2008 WORLD WILDLIFE FUND STUDY ESTIMATED THAT "75% OF THE ADELIE PENGUIN POPULATION WILL LIKELY DECLINE OR DISAPPEAR IF GLOBAL AVERAGE TEMPERATURES RISE ABOVE PRE-INDUSTRIAL LEVELS BY JUST 2 DEGREES CENTIGRADE. THIS SCENARIO COULD BE REACHED IN LESS THAN 40 YEARS."