As more and more people aim to conserve energy and protect the environment, Van Jones sees an opportunity for job growth. In San Francisco for O, The Oprah Magazine 's O You! Conference, Gayle talks with Van, an environmental advocate and author of The Green Collar Economy, about how "green-collar" jobs can help lift people out of poverty.

See pictures from the O You! Conference.

More from the O You! Conference

• San Francisco Mayor Gavin Newsom
• Financial Expert Suze Orman
• San Francisco Treats
• Life Coach Martha Beck