Foot-powered irrigation pumps are useful but limited. Diesel pumps are expensive. Solar-powered pumps could be an answer.
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.
He listened first, then designed products for the world's poorest people long before the term 'social entrepreneur' came into use.
Inventor Martin Fisher designs easy irrigation tools for African farmers.