Hereunder interviews with "ordinary peasants"
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A shortage of water means that Hastings' cattle are dying. With water from a bore hole, he could not only look after his animals, but also diversify into vegetable production.
The 36-year-old mother of two is one of thousands living in the Sinazongwe district of Zambia facing food shortages after the annual rains failed.
Without a proper market, Alice finds it hard to sell her goods and support her children.
Fremont and Maureen Mangubi live close to Lake Kariba, and are typical of thousands of small-scale growers who watch helplessly as its water bypasses them and goes to a neighbouring town.
Every morning Bridget Muchimba sets off at 6am to make the first journey of the day to collect her family's water. It is the first of three two-kilometre journeys to the water point each day.
Although grateful for food aid, Sanders wants seeds that would go on supplying his family with food for years to come.
Food aid is only a short-term solution, says Esther. Seeds would help her and her family for a long time.