Disney’s Animal Kingdom will mark its 20th anniversary on Earth Day, April 22, with more wild adventures than ever before – kicking off spring and setting the stage for an incredible summer filled with all-new events and experiences at  the Walt Disney World Resort. Commemorating the milestone year, the 500-acre adventure park will offer animal encounters, family-friendly activities, specialty desserts and more during an expanded Party for the Planet celebration April 22-May 5. Over the two-week “Party for the Planet celebration, guests can attend…