Join the Fort Worth Zoo for the 15th annual Zoo Run on Saturday, April 21, 2012. Run, walk or jog for conservation in the 10K, 5K or 1K fun run/walk throughout the Zoo and surrounding neighborhoods. This year’s event will include the Association of Zoos and Aquariums’ (AZA) national Earth Day celebration, Party for the Planet. Proceeds from Zoo Run support the Fort Worth Zoo’s local and international conservation and education efforts.