What is Aquaponics? A sustainable food production system that combines a traditional aquaculture (raising aquatic animals such as snails, fish, crayfish or prawns in tanks) with hydroponics (cultivating plants in water) in a symbiotic environment.
Vertical farming Does it really stack up? Agriculture: Growing crops in vertical farms in the heart of cities is said to be a greener way to produce food. But the idea is still unproven
