Slideshow: Everything Is Green at This Fair

Hewlett-Packard is experimenting with prototypes of biodegradable printer cases.

Many vendors were selling fair trade goods at the festival. These were made in India.

Suzanne Epstein gives her head a treat with the Octomassager.

Every camper's favorite biodegradable soap was in the house at the Green Festival in San Francisco.

These beautiful lamps from San Francisco's Artmosphere were made in Vietnam using fair trade practices in which the workers benefit and are not exploited.

This giant puppet is in memorial to spoken word artist Joy De La Cruz, who died shortly after the organization's 2003 camp, where young people learn about personal and social empowerment.

At the Green Festival, animal and forest motifs were everywhere, promoting environmentally conscious policies.

Among the many kinds of sculpture on display at the Green Festival were these Haitian figurines, made from pounded metal from 55-gallon iron oil drums.

The Common Vision bus ferries a crew of ten to twenty people to schools around California, where they plant fruit trees and teach students environmental awareness. This bus runs on recycled vegetable oil. www.commonvision.org.

Many people at the Green Festival were interested in finding out what kind of environmentally-sensitive employment is available these days.

Hemp bars from Ruth's Hemp Foods were just some of the many edible hemp products on display at the Green Festival.

At the Green Festival, countless vendors were hawking all manner of organic and hemp clothing and other goods.

The East Bay Animal Advocates had stuffed chickens in a cage to make the point that millions of chickens are badly mistreated in order to bring eggs to every McDonalds.

The Glacier Collection is a series of blown glass vases, candle holders, cups and bottles made from recycled glass.

The Monterey Bay Acquarium's Seafood Watch program alerts consumers to which seafood can be safely eaten.

The Green Tortoise Bus Company, which has carried thousands of young travelers to exotic locations in the United States, Mexico and Costa Rica, had a popular table at the Green Festival.

Clothing emblazoned with all kinds of political and environmental messages were for sale at the Green Festival.

These candles, from Pheylonian Beeswax Candles, produce negative ions, which are said to actively clean the air.

As befitting any self-respecting pro-environment event, the Green Festival attracted hundreds of bicycles.