Reuters: More than half the colonies of Antarctica’s penguins, including emperor penguins made famous by the Hollywood film “Happy Feet,” face decline or being wiped out if the world warms by 2 degrees Celsius, a report says. Rising temperatures in coming decades would lead to less sea ice in the Southern Ocean surrounding Antarctica and fewer nesting sites and feeding grounds for penguins, global conservation group WWF said in the report “2 deg C is Too Much.” “The problem is very …