'Biome' Surf shop owners, curators of Lincart show, ride the tide of earth-inspired... Visual Art: 'Biome' exhibition rides a wave of nature-inspired art SF Gate Logo Hearst Newspapers Logo ...

Despite the earth's ancient age, roughly 4.5 billion years old, Earth Day has been annually only celebrated 46 times since 1970, during which it was officially declared by U.S. Senator Gaylord Nelson.