The push for energy-efficient lighting in the developed world focuses on replacing wasteful incandescent bulbs with compact fluorescents and LEDs. In developing regions, however, kerosene lanterns still bring dim nighttime light to an estimated 1.6 billion people.
Off-grid lighting is a growing area of focus for social entrepreneurs eyeing opportunities for "green" technologies in developing markets.
Engineers, start-ups, nonprofit groups, and venture capitalists involved are working on portable flashlights and fixtures powered by solar panels and even bicycle-like pedaling contraptions.
Safe and affordable lighting can be key to development efforts in poor communities. With better light, people … Read more