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Change Agent Solar pumps could boost farm yields in poor countries

Foot-powered irrigation pumps are useful but limited. Diesel pumps are expensive. Solar-powered pumps could be an answer.

By Kyla YeomanGlobal Envision / June 7, 2013

Ken Oloo/International Federation of Red Cross and Red Crescent Societies/Reuters/File

A guest post by Paul Polak, author, “Out of Poverty,” and founder of International Development Enterprises: