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.
Lake Kivu borders three African countries. With a surface area of 2060 km² it is almost the size of Mauritius.
There are large amounts of methane and carbon dioxide dissolved in the deep waters of lake Kivu - if disturbed they could cause a catastrophe.
When species are pushed to the top of the mountain, where else is left to go?
From luxuries like champagne to the very livelihoods of fishing communities in the developing world – the climate-driven shifts in species will affect us all.
Tuna being lifted from a fishing boat.
Recently revised guidelines on mercury in seafood suggest cutting bait on some fish but making sure you eat other types. Then there are omega-3s to consider. Here are some tips to help you choose.
Victoria’s mountain ash ecosystem is vulnerable to collapse.
From fisheries to forestry, there's a pattern to collapsing ecosystems and industries. If we can predict them, maybe we can avoid the damage.
A NOAA vessel explores the the Northeast Canyons and Seamounts Marine National Monument, the first in the Atlantic Ocean.
One of the environmental legacies of the Obama administration is ocean reserves. Two ocean scientists explain why these are a critical but not sufficient piece of conservation.
Giant clam shells seized by authorities in waters off Australia’s north.
Prized species such as sea cucumbers are increasingly being poached from Australian waters. But if foreign aid can give fishing crews alternative livelihoods, the problem could ease.
Fishers in Mozambique won’t benefit from southern Africa’s latest deal with the EU.
A deal intended to help southern African countries develop could instead turn them into an EU dumping ground for cheap goods.