This basement in Manhattan is home to something unusual: a hydroponic farm. Run by a startup, it supplies elegant New York City restaurants with fresh herbs, greens and edible flowers. Are underground farms the wave of the future?
When a group of Brazilian families occupied disused farmland they found lifeless soil and water. Fifteen years on, they have brought it back to health. Their story is part of a larger battle over Brazil's farming future.
Bali's unique subak irrigation system has kept its iconic rice paddies lush for centuries. But tourism is threatening the water supply, and a new Trump development could be the worst offender yet in this perfect balance.
The Irish border is the final sticking point in the EU-UK Brexit negotiation, with the future of the frontier far from certain. That is causing worry for businesses north and south, as Arthur Sullivan found out.
Achieving zero hunger by 2030 is still a distant goal for most African countries. Yet Senegal is making strides towards reducing malnutrition and improving livelihoods.
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