Mobile phones expand African trade Better computer access for visually impaired in Africa

Stove burns crop wastes Affordable solar power for rural villages Biogas and electricity from food waste Solar powered boats bring education to Bangladesh's poorest communities Solar energy that the rural poor afford Making solar energy affordable yet commercially viable Upgraded water mills benefit millers and villagers New ram pump brings running water to hillside villages Rural women make money from biogas slurry Water power electrifies remote Andean villages Solar power for rural communities