Deutsche Presse-Agentur: Sea levels around the world will rise one metre this century, according to German scientists who warn that global warming is happening much faster than hitherto predicted. Citing UN date on climate change, two senior German scientists say that previous predictions were far too cautious and optimistic. Earlier estimates predicted a rise of 18 to 59 centimetres in sea levels this century. But that estimate is woefully understated, according to Hans Joachim Schellnhuber, who heads …