Social Entrepreneur Roundup
Treehugger pays homage to a few social entrepreneurs they've found who are building businesses while doing good to the environment.
The New York Times Magazine has a slide show which showcases the people behind some creative and socially-beneficial business ideas.
But, social entrepreneurs aren't infallible, and their business ideas can grow and grow until they seem very far from certain ideals they once championed. Don't believe me? Look at Wal-Mart.