Zimbabwe's President Mugabe, who signed an agreement to co-host a UN tourism conference, now has an honorary position as envoy, despite a long record of human rights abuses.
In Africa, planting trees along with corn in soil that is low in nitrogen can substantially increase corn production without expensive fertilizers. In a decade, the number of small farmers using Fertilizer Tree Systems has ballooned from a few hundred to more than 250,000.
Malawi avoided a crisis after the death of Mutharika, through the peaceful transition of power to former vice president, and Mutharika critic, Joyce Banda, writes a guest blogger.
Green revolution: Fast-track breeding is beginning to develop crops that can produce more and healthier food – without controversial genetic engineering.
International Women's Day (March 8) celebrates women's achievements. Innovative ideas and programs, such as the 12 below, are helping women better care for themselves and their families.
Even an 11-year civil war couldn't stop Bala Amarasekaran from rescuing and rehabilitating chimps in Sierra Leone.