| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sat Sep 2, 2017 | 7D | They leave carbon footprints | Erik Agard | Shortz |
| Sun Jun 24, 2012 | 14D | Atmospheric worries | Elizabeth C. Gorski | Shortz |
| Sat Aug 15, 2009 | 50A | "Hot" political topic | Matt Ginsberg | Shortz |
| Fri Aug 22, 2008 | 54A | "An Inconvenient Truth" topic | Kevin G. Der | Shortz |
| Fri Mar 3, 1995 | 36A | CO2 and methane, to an ecoscientist | Chuck Deodene | Shortz |
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Fri Jun 5, 1992 | 17A | Cause of global warming | Betty Jorgensen | Maleska |
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