Growing a Greener World - Season 7

Gary Oppenheimer, founder of AmpleHarvest.org.

Community gardens and urban farms help regenerate Detroit.

Edible gardens; celebrity chef and television host Graham Kerr.

Jello Mold Farm, a small farm operation in Skagit Valley, Wash., produces organic and sustainably-grown cut flowers.

More than two-thirds of Dominica Island is made up of protected rain forests

Professor Will Hooker, North Carolina State University, practices permaculture in his home garden; a community in Georgia incorporates permaculture in daily farming and gardening practices.

The oldest and largest certified organic community-supported agriculture (CSA) program in New Jersey; small community co-op in New York.

Experts at Stark Bro's Nurseries & Orchards, the oldest fruit nursery in the U.S., explain how to grow fruit in a backyard orchard.

The Edible Schoolyard in Berkeley, Calif., co-founded by chef Alice Waters, is an outdoor classroom that attracts teachers from around the world.

The Seed Savers Exchange, headquartered at the 890-acre Heritage Farm in Decorah, Iowa, protects and preserves heirloom seeds and plants.

Fetzer Vineyards in California remains committed to being earth-friendly.

Urban homesteader Theresa Loe.

Daron Joffe, founder of Farmer D Organics, breaks down the walls of traditional farming.

A small vegetable garden evolves into a livable and inviting backyard.

The Compost Pedallers in Austin, Texas, pick up compost from homes and businesses and transport it to farms and community gardens where it is used to grow more food.

Stephen Ritz teaches students about growing fresh fruits and vegetables in his classroom farm.

Horticulturists Dan Benarcik and Peggy Montgomery experiment with different plants and care for native selections at their home garden.

Using all organic methods to combat garden pests, diseases and weeds.

A veteran-turned-farmer talks about how the Farmer Veteran Coalition helped him and his family.