AAP: SEA levels will rise by 1m this century, according to German scientists who warn global warming is happening faster than previously predicted. Citing UN data on climate change, two senior German scientists say that previous predictions were far too cautious and optimistic. Earlier estimates predicted a rise of 18cm to 59cm in sea levels this century. But that estimate is woefully understated, according to Hans Joachim Schellnhuber, who heads the Potsdam Institute for Research …