Yale Environment 360: Confronted with the loss of sea ice in some parts of Antarctica, four colonies of emperor penguins have come up with an innovative breeding strategy to adapt to their changing environment. Using satellite images, an international team of scientists tracked the four colonies from 2008 to 2012. In the first three years, the emperor penguins hatched and incubated eggs in their customary fashion atop the sea ice that freezes during the Antarctic winter and spring. But in 2011 and 2012, sea ice did...