Photos: the 2007 International Winners

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Affordable solar power for homes and small businesses
Efficient stoves that use wood or crop residues
Upgraded water mills in the Himalayas
Turning food waste into cooking gas
Biogas plants provide cooking and fertiliser
Affordable solar energy for the rural poor
Trained entrepreneurs bring solar electricity to rural communities
Solar power electrifies villages
Micro-hydro electrifies remote Andean villages
Solar power on boats serves waterside communities