Climate Central: Anslem Silva has fished for four decades from this popular harbor on Sri Lanka's west coast, but for five years now filling his boat has become increasingly difficult. "We seem to be spending more and more time out at sea looking for catch. Where there were fish for decades, now there is very little. It is strange, but all of us have been noticing that," said the 54-year-old fisherman, who operates his own trawler on multi-day trips reaching 100 to 150 kilometres (60 to 90 miles) off the coast....