We know extremely little about what the seabed looks like. Studying and mapping them is difficult, sometimes impossible and certainly expensive. But a researcher in Australia has used sea lions to help map large areas.
Citizens of the tiny Pacific island nation of Tuvalu, which is at risk of sinking under the sea, will be granted "special rights" to live and work in Australia.
Decisions have been made to protect the disputed coastal area of Exmouth Gulf in Western Australia, where humpback whales, whale sharks and dugongs, among others, have been threatened by planned construction projects. Instead of a salt plant and industrial port, it will be a nature reserve and a marine park
Ningaloo off the west coast of Australia is a unique coral reef. It is earth's largest riparian reef and one of the few places where you can swim with both humpback whales and whale sharks. But now the sanctuary of wildlife is under threat
