Changes in governance in the Arctic region could supply an example of how the two global powers can cultivate a peaceful co-existence.
Mothers and children handlining for fish in the evening in Kavieng, Papua New Guinea.
Coastal indigenous peoples consume nearly four times more seafood per capita than the world average and have strong cultural ties to the sea. Global ocean policies should preserve these connections.
State conservation officials from Florida and Georgia work in 2014 to remove a heavy length of fishing rope from a right whale’s mouth.
FL Fish and Wildlife Conservation Commission/Flickr
A new US seafood import rule requires supplier countries to control accidental bycatch of whales, seals and other marine mammals – showing that global trade and conservation can reinforce each other.
Fishermen had to discard their excess fish – or risk capsizing.
Next year the Ross Sea will be home to the world’s largest marine reserve.
Andrew Mandemaker/Wikimedia Commons
After years of stalled negotiations, China has ended its opposition to the world's largest marine park off Antarctica - part of a wider trend towards increased Chinese involvement in global governance.
Fish caught just outside the Marine Protected Area (MPA) area in Tikina Wai, Fiji.
© Brent Stirton / Getty Images
Melanesia's oceans are worth at least US$5.4 billion, but are under increasing threat.
Fishing is a vital part of Australia’s coastal towns.
Many of the iconic coastal villages of Australia have a close association with professional fishing.
A booby family on a sandy cay in the Coral Sea.
The marine reserves review has recommended major changes to the Coral Sea, but not for the better.
Closing parts of the ocean to fishing displaces fishers to other areas.
Tuna image from www.shutterstock.com
The public and political debate about marine reserves often comes down to one thing: fishing.
Australia’s oceans are home to extraordinary marine life.
Australia has the third largest marine jurisdiction in the world, a vast ocean territory that contains important natural and biological resources. And it needs protecting.
An illegal fishing vessel caught off the coast of Sierra Leone, a region where illegal fishing is a serious problem.
The fisheries sector in West Africa is beset with serious challenges including over-fishing and, in particular, illegal fishing.
Australia’s oceans are feeding grounds for many wildlife species, including seabirds.
More of Australia's oceans should be placed under high protection, according to the latest marine reserves review.
The endangered Hawaiian monk seal is one of the 7,000 species that gained a measure of protection.
U.S. Fish and Wildlife Service
The Papahānaumokuākea Marine National Monument is huge win for preservation, but it also poses outsized management challenges for the National Park Service.
Filipino fishers in the South China Sea.
EPA/FRANCIS R. MALASIG
The South China Sea produces more than 10% of the world's fish – but the catch is increasingly under threat.
Good old Aussie barramundi, straight from a farm in Vietnam.
How do you choose local produce when buying fish, which is caught in vast oceans by a globalised industry? Answer: with great difficulty.
Sometimes it pays to look on the bright side.
Not all of the world's coral reefs are in dire straits. Reef fisheries tend to do better in areas with strong ownership rights, and where people are closely involved in managing their local reefs.
The Chinese icebreaker Xue Long sails from Fremantle Harbour on its way home from Antarctica.
Australia and China both have a keen interest in the frozen continent. And while they don't agree on everything, there is great scope for scientific collaboration.
Exiting the EU does not mean closing off British seas.
New surveys show the overwhelming antipathy for the EU among UK fishermen.
The oceans are teeming with life and potential – but the high seas are still largely ungoverned.
The open oceans are the world's "wild west", falling outside any nation's jurisdiction. UN negotiations are aiming to draft new laws for the high seas.