Bottlenose dolphins off the coast of New Jersey.
How can marine preserves best protect sea creatures that move in and out of them? Two ocean scientists describe new thinking about designing marine protected areas.
Australia was thought to have some of the most sustainable fisheries in the world, but a recent count has found that fish numbers have plummeted by a third.
Hoki is one of New Zealand’s most valuable export fish.
Leaked reports reveal that some of New Zealand's largest fishing companies have been under-reporting their catch of the commercially valuable hoki by hundreds of tonnes.
Scientists from the U.S. National Oceanic and Atmospheric Administration approach a young North Atlantic right whale entangled in fishing gear near Cape Canaveral.
(NOAA Photo Library/flickr)
After 17 North Atlantic right whales were killed or caught in fishing gear in the southern Gulf of St. Lawrence in 2017, the Canadian government set new rules for the snow crab and lobster fisheries.
Fishing ships in Lauwersoog, The Netherlands.
Seagrass meadows play a significant role in supporting world fishery productivity.
Sustained ocean warming could greatly reduce catches of fish like these herring photographed off Norway.
Fish are a key food source for millions of people worldwide. But a recent study finds long-term warming over the next 200 years could starve tiny plankton, with impacts that would ripple up food chains.
The captain of a Finnish icebreaker looks out from the bridge as it sails into floating sea ice on the Victoria Strait while traversing the Northwest Passage in the Canadian Arctic Archipelago in July 2017. The waterways of the Arctic are of particular interest to non-Arctic jurisdictions like China and the European Union.
(AP Photo/David Goldman)
The recent Arctic Council meeting in Finland shows there's still avid interest in developing the Arctic. Some are arguing the entire region should be considered a 'global commons.'
Farmed fish like these carp now make an important contribution to global food security.
Many critics say that fish farms mainly sell their output to wealthy countries and don't provide much benefit to poor people in producing countries. Three aquaculture experts show why this view is wrong.
Healthy aquatic vegetation in the Chesapeake Bay.
Cassie Gurbisz/University of Maryland Center for Environmental Science
An ambitious plan to cut the flow of nutrients into the Chesapeake Bay has produced historic regrowth of underwater seagrasses. These results offer hope for other polluted water bodies.
Waste not, want not.
Artisanal fishers in Sri Lanka are throwing away more marine species than they keep.
Villagers enjoying the evening fishing in Kavieng, Papua New Guinea.
Sustainable fisheries tick all the boxes. They can fill your belly and your wallet, and generate less CO2 than conventional agriculture. So why is some integral funding for marine fisheries falling?
Prime Minister Justin Trudeau and his wife Sophie Grégoire Trudeau kayak in the Gulf Islands National Park Reserve, in British Columbia.
THE CANADIAN PRESS/Darryl Dyck
Prime Minister Justin Trudeau has taken swift action on protecting marine areas over the past two years, but he'll need to continue this momentum if he is to cement his legacy.
Lake Victoria sustains about 200,000 fishers.
Social ties between Lake Victoria's fisherfolk are critical for gaining access to credit, employment, maintaining reliable and skilled labour and access to markets.
The science says that no-take zones offer the best protection for marine life.
AAP Image/Environs Kimberley
Australia's reputation as a global leader in marine conservation is being put at risk by plans to strip back sanctuary areas within marine parks, say scientists from around the globe.
Pike Place Market, Seattle.
A new study shows that sustainable fish farming in deep ocean waters could produce as much seafood as all of the world's wild fisheries, in a space the size of Lake Michigan or Africa's Lake Victoria.
A glass bottomed boat safari in a Kenyan marine park.
Kenya can explore at least four key actions, based on past commitments and institutional structures, to transform the economic future of its oceans.
The remains of one of six partially eroded islands in the nation of Solomon Islands.
Due to rising sea levels, low-lying island nations are in immediate danger. If drastic measures are taken, this disastrous trend can be transformed into an opportunity for sustainable development.
This wood tower on Bikeman islet, in the central Pacific island nation of Kiribati, used to be on the sand. Now it’s in the water. Further out, locals fish.
A new study finds that even in best-case scenarios, the fishing communities most hurt by climate change are on small island nations such as Kiribati, the Solomon Islands and the Maldives.
There are a number of ways the global community can protect the oceans.
The UN Ocean Conference provides a golden opportunity for countries to present their aspirations for sustainably growing their 'blue' economies.
U.S. Navy diver off the coast of Guantanamo Bay, Cuba.
MC2 Kori Melvin, U.S. Navy/Wikipedia
Cuban and US scientists are forming partnerships to protect coral reefs and fisheries in both countries. But President Trump may soon announce steps to slow or reverse the US opening to Cuba.