Why we're fans: The devout Jew and foodie founded Hazon (Hebrew for "vision"), a nonprofit that runs the largest faith-based community-supported agriculture program in the country.
What he hopes to achieve by 2015
Dr. Oz and Oprah look back at some of his most memorable moments. Poop questions, weight loss transformations and more! Plus, guests who say Dr. Oz saved their lives.
Oprah Radio host Jean Chatzky talks with Money magazine's Craig Matters about the top five small cities to live in the United States.
Get all the suggested missions to make every Monday truly matter.
Five years ago, Hurricane Katrina wiped out the life she knew. Now Melba Leggett-Barnes has a place to call her own again--a home that's good for her and the planet.