A community initiative in South Africa helps poor people make a living by growing trees . He notes , however , that a change is taking place now . ` More than two - thirds of African countries are net producers of agricultural products . Experts urge African countries to invest in agricultural research and development .
A community initiative in South Africa helps poor people make a living by growing trees . More than two - thirds of African countries are net producers of agricultural products . Experts urge African countries to invest in agricultural research and development .