CARBONFOOTPRINT
| Date | Clue |
|---|---|
| 2012-12-22 | What an environmentalist wants to reduce |
| 2012-06-24 | Global warming calculation whose shape is suggested by connecting 14 squares in this puzzle in a closed loop based on the appropriate 23-Across |
| Date | Clue |
|---|---|
| 2012-12-22 | What an environmentalist wants to reduce |
| 2012-06-24 | Global warming calculation whose shape is suggested by connecting 14 squares in this puzzle in a closed loop based on the appropriate 23-Across |