Sunday Puzzle: Earth Day categories NPR's Ayesha Rascoe plays the puzzle with WBAA listener Bob Kozak of Lafayette, Indiana, and Weekend Edition Puzzlemaster Will Shortz.

A version of this article appears in print on , Section D, Page 8 of the New York edition with the headline: A New Puzzle Treats Earth Like a Rubik’s Cube. Order Reprints ...

The Journal Gazette created some nature-inspired puzzles to help the young and young-at-heart think about the environment while having a bit of fun for Earth Day. This downloadable PDF includes ...