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.
Watch out, there’s a mixotroph about.
They 'engulf living prey, suck out their innards, poison them, harpoon them, make them explode, and steal and reuse body parts'. And we ignore them at our peril.
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.
Live crab at a Seattle market.
Global climate change is altering the chemistry of the oceans. A recent study suggests that the Pacific coast's lucrative Dungeness crab fishery could suffer as ocean water becomes more acidic.
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.
Hey, is there something on my back?
Nathan J. Robinson
Tiny animals along for the ride, called epibionts, could be used as living data-loggers. Researchers can glean info from them that could help inform turtle-friendly fisheries management decisions.
Unlike clownfish (Nemo), Pacific blue tang fish (Dory) cannot be bred in captivity.
The release of the movie 'Finding Dory' comes with renewed calls to leave fish in reefs – a good idea in this case – but catching some ornamental fish can have a positive impact on reef communities.
Was Anne Ruston right about overfishing?
AAP Image/Alan Porritt
Was Assistant Minister for Agriculture and Water Resources Anne Ruston right to say that no solely-managed Commonwealth fishery is subject to overfishing?
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.
Fishermen rescued from a boat on which they were trafficked to work.
There are no proper laws to combat fisheries crime. As a result, a number of organisations need to join forces to stop the problem.
While not all subsidies are bad, some are drive a ‘race to fish’.
Fish numbers are rapidly dwindling globally, and fishery subsidies are one of the key drivers behind this decline.
Small but dangerous – and coming to the New World.
A small invasive fish known as the topmouth gudgeon has already wreaked havoc on European species and its arrival to the US and South America is only a matter of time.
Samal, Philippines: protected area to manage fish recovery.
The combination of local fishing rights with adjacent marine reserves creates incentives to avoid overfishing and could improve nearshore, small-scale fisheries around the world.
Time to get cracking: a Canadian research vessel in the Arctic.
John F. Williams/Office of Naval Research
A melting Arctic means new areas will be open to commercial fishing but scientists – and bordering countries – say they need time to study the ecological and economic risks.