5 Shortz Era entries found. Click any date for context. Repeated clues show (number of Shortz Era occurrences).
|Sunday, July 31, 2016||4D||Ozone destroyers, for short (3)||Ruth Bloomfield Margolin|
|Thursday, August 6, 2015||54A||Ozone-destroying chemicals, for short||Gary Cee|
|Friday, October 25, 2013||48D||Ozone destroyers, for short (3)||Martin Ashwood-Smith|
|Friday, October 14, 2011||32D||Ozone destroyers, for short (3)||Caleb Madison and J.A.S.A. Class|
|Thursday, February 25, 2010||43D||Regulated pollutants, for short||Holden Baker|