World Challenge. Episode 7

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The Only Way Is Up: Hydraulic Ram Pump (The Philippines) The Alternative Indigenous Development Foundation Inc. (AIDFI) is determined to see the ram pump finally come into its own. Using the power of a river's flow to literally push water uphill without any other energy input, it's proving to be a boon for poor villagers living in mountainous regions. Growth Cycle: Bamboo Bicycles (Zambia) After creating and then perfecting a sturdy bamboo bicycle frame, designer Craig Calfee has since begun working with small workshops in Zambia and three other African countries with the aim of creating profitable small businesses. A Class Apart: Project Long Way Home (Guatemala) Mateo Paneitz founded Long Way Home, a nonprofit organization that helps create better employment and education opportunities in the predominantly Mayan community of Comalapa, Guatemala. A popular park has already been created, and the goal now is to create a mixed academic and vocational school.