Half of Adélie Penguins Could Be Wiped Out by Global Warming

Global warming may cause massive drops in the population of Adélie penguins in Antarctica, new climate data suggests. The tuxedo-clad birds breed on rocky, ice-free ground, and as glaciers receded over millions of years, Adélie penguins have reclaimed once icebound land for breeding. "It is only in recent decades that we know Adélie penguins population declines are associated with warming, which suggests that many regions of Antarctica have warmed too much and that further w