Sydney Morning Herald: El Nios are well known for unleashing droughts, hotter-than-usual weather and paradoxically worse frosts in Australia, but they also drive remarkable - if temporary - changes to global sea levels.
While the shifts under way are so far barely discernible along the Australian coast, pointers of the forces are more evident in countries to Australia's north.
"The western Pacific has already dropped about 20cm below its normal height, and the eastern Pacific - because it's warmed up, it's expanded...