Sydney Morning Herald: The most destructive categories of tropical storms to strike the heavily populated regions of east Asia are becoming more intense and increasing as much as four-fold in frequency because of climate change, according to new research by US-based scientists.
Since the late 1970s, typhoons making land in a region stretching from Vietnam and the Philippines to Korea and Japan have become 12 per cent to 15 per cent more intense.
Those hitting south-east Asia with a category 4 or 5 strength have more…