Rendering of the ECF Farmsystems facility in Berlin, Germany.
Combining aquaculture and hydroponics, aquaponics unearths value in "waste" flows and re-routes them back into the economy. It's an inspiring example of how a circular-economy business model can work.
Segments of PVC pipe washed up on shore in Denman Sound, B.C.
Paul Nicklen/Sea Legacy
Growing demand for large salt-water clams is leaving parts of the B.C. coast littered with plastic debris.
A new IPCC report has called for radical changes in food production to avoid catastrophic climate change. Rice-fish farming and mixed crops could help.
Charter boat Capt. Dave Spangler holds a sample of algae from Maumee Bay in Lake Erie, Sept. 15, 2017.
AP Photo/Paul Sancya, File
Scientists are predicting major algae blooms in Lake Erie and large dead zones in the Chesapeake Bay and Gulf of Mexico this summer. Nutrient pollution from industrial corn farming is a major driver.
We’re fish fanatics, with salmon in our sights.
Fish farming has been criticised for a lack of sustainability – here's what has been changing and what still remains a challenge.
Feeding pigs seaweed could make them, us and the planet healthier without contributing to antibiotic resistance in bacteria.
Cage farming is when fish are raised and harvested in a netted enclosure.
With proper regulation, Lake Victoria's fisheries could increase production without damaging wild stocks or the environment.
For many of us, a better diet means eating more fruit and vegetables.
We need to change how we produce, ship, eat and waste food to improve our health and that of the planet.
Put down the salmon and pick up a sardine (or two).
For the most nutritious and sustainable seafood option, try small ocean fish.
A fisherman on Kwan Phayo.
Philip A. Loring
Many people focus just on agriculture and new technologies for feeding the world's growing population. Yet, fisheries are the centerpiece of billions of people's diets.
Bird’s eye view of an open sea fish farm in, Aegean, Turkey.
Aquaculture is endangering the marine environment, threatening the livelihood of small-scale fishers and food security.
In this July 2011 photo, an Inuit fisherman pulls in a fish on a sea filled with floating ice.
(AP Photo/Brennan Linsley)
A recent summit in Ottawa on what's known as agroecology has shown that more equitable and sustainable methods of producing food are not only possible, they're beginning to spread around the world.
Technology can be used to help farmers produce good crops.
Leo Sebastian (IRRI-CCAFS)
Food systems must be transformed to produce more nutritious food with a lower environmental footprint.
Portside tuna unloading from a refrigerated cargo and trading vessel (reefer) in Thailand, 2013.
The seafood industry is a major contributor to modern slavery.
Plant-based milks made from nuts, seeds and peas are becoming big business.
This is a critical time for our planet. What we eat and how we get our food will shape its future.
Salmon prices are soaring because of sea lice infestations – but new medicine and technology could help.
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.
Mandy Zammit/Grow Up
Hydroponics and aquaponics are already being used by the agriculture industry – is it time urban farmers got on board?
For the global tuna industry, which has historically struggled with illegal and environmentally dubious fishing practices, the use of blockchain could be a turning point.
Blockchain is now helping to bring much-needed transparency to the global tuna industry, which has been prone to corruption, human slavery and unsustainable fishing practices.
Even pocket parks in cities (Duane Park in Lower Manhattan, pictured here) can shelter wildlife. Read below for ideas about urban biodiversity and other green innovations.
Trump administration rollbacks dominated news about the environment in 2017 – but beyond Washington D.C., many researchers are developing innovative visions for a greener future.