social entrepreneurship

Science, Tech & Environment

Energy up in smoke

Enough wasted heat energy escapes from industrial smokestacks each year to replace 120 coal plants. Thomas Casten, chairman of Recycled Energy Development, explains to host Bruce Gellerman that the only thing stopping recycled heat technology from taking off is outdated federal and state laws.

Science, Tech & Environment

From toilet to tap

Orange County, CA has opened what is likely the largest sewage purification plant for drinking water in the world. The community is on board, and the idea is already being copied elsewhere in the U.S. and abroad. Living on Earth's Ingrid Lobet reports.

Science, Tech & Environment

Give peace parks a chance

Parks and natural areas can be an important part of international diplomacy and peace building between countries in conflict. That's according to University of Vermont professor Saleem Ali who edited the new book "Peace Parks: Conservation and Conflict Resolution." Dr. Ali talked with host Bruce Gellerman.

Science, Tech & Environment

Wind-up lights in Africa

More than a half a billion people in Sub-Saharan Africa don't have access to electricity. But now, a non-profit organization that has had success with its wind-up radio is using the same technology to turn on the lights. The World's Clark Boyd reports.

Pages

Business

Bringing the world into focus for some of the 2 billion people globally who need glasses but don't have them

If you wear glasses, you're in a majority in most developed countries. In developing countries, few have them, but many need them. By some estimates, two billion people in developing countries need eyeglasses, but don't have access to them. One of the groups working to bridge the gap is VisionSpring, a social enterprise that has already sold 3.7 million pairs of glasses, at affordable prices, to people in Africa and Asia making $4 or less per day, helping improve learning, work productivity, and quality of life.

  •