Could guinea pigs be a new protein source in Africa?
They're not pigs and they're not from Guinea ? but some communities are breeding them for food and to boost incomes
INTERVIEW-Food competition to leave poor hungrier by 2050-expert
Environmental economist Lester Brown describes what global hunger will look like in 50 years
Can an African 'green revolution' feed the world?
How to harness the last frontier in arable land?
Uganda orchard project seeks to improve women's health
Some years there is no rain; women and men dig the sand in the riverbed for water for the orchard