Suzy Amis Cameron, wife of director James Cameron, and gardener and educator Paul Hudak inspect seedlings in the MUSE School CA greenhouse in Calabasas, Calif. Amis Cameron, who founded the school with her sister, wants the school menu to be entirely plant-based by fall 2015. Eliza Barclay/NPR hide caption

itoggle caption Eliza Barclay/NPR

This gang founded Zurich's Vegetarians' Home and Teetotaller Cafe in 1898. Ambrosius Hiltl bought the joint and changed the name in 1903. Courtesy Hiltl hide caption

itoggle caption Courtesy Hiltl

Washington Post food editor Joe Yonan has made the decision to go vegetarian. Cristian Baitg/iStockphoto.com hide caption

itoggle caption Cristian Baitg/iStockphoto.com

A vegan Thanksgiving feast, featuring Tofurky Shira Golding/Flickr hide caption

itoggle caption Shira Golding/Flickr

Chinese volleyball player Yunwen Ma during a game between China and Germany, at the Montreux Volley Masters women tournament, in Montreux, Switzerland, in 2011. JEAN-CHRISTOPHE BOTT/EPA /Landov hide caption

itoggle caption JEAN-CHRISTOPHE BOTT/EPA /Landov