| 100% | CFC | 3 | Emission that's bad for the environment (abbr.) |
| 60% | SILT | 4 | Material that's bad for the mouth? |
| 58% | GUZZLERS | 8 | Gas-___ (cars that are bad for the environment) |
| 55% | MPG | 3 | Stat that's bad for a gas guzzler: Abbr. |
| 55% | ECO | 3 | ___-friendly (not bad for the environment) |
| 53% | ECO | 3 | Prefix suggesting something isn't bad for the environment |
| 52% | GPA | 3 | Stat that's high for the class valedictorian: Abbr. |
| 52% | GPA | 3 | Number that's high for the class valedictorian: Abbr. |
| 49% | UNEP | 4 | UN agency that coordinates the organization's environment-related activities: Abbr. |
| 49% | ECO | 3 | ___-friendly design (something that's good for the environment) |
| 47% | USO | 3 | Group that provides entertainment for the troops: Abbr. |
| 46% | ETC | 3 | Abbr. for those who didn't make the list |
| 46% | LOSELOSE | 8 | Outcome that's bad for everyone |
| 45% | ECOL | 4 | Science that studies the environment: Abbr. |
| 45% | SAMSUNG | 7 | South Korean brand known for the Galaxy S phones that also sells 43a |
| 44% | RECYCLE | 7 | Do one's part for the environment |
| 44% | MCU | 3 | Abbr. for the franchise that includes “Deadpool & Wolverine” (July, 2024) |
| 44% | ALS | 3 | Disease that the Ice Bucket Challenge raises awareness for: Abbr. |
| 43% | RECYCLE | 7 | Do one's part for the environment, maybe |
| 43% | MVPS | 4 | Awards for the season's best athletes: Abbr. |
| 43% | USO | 3 | Group that performs for the troops: Abbr. |
| 43% | YTK | 3 | Abbr. for a problem that became increasingly fearful as the last millennium approached |
| 43% | TTY | 3 | Communication aid for the deaf that's been largely supplanted since the advent of texting (abbr.) |
| 42% | UCLA | 4 | School that's leaving the Pac-12 for the Big Ten in 2024: Abbr. |
| 42% | MIT | 3 | Science-focused school that was the setting for "Good Will Hunting": Abbr. |
| 42% | UNE | 3 | School that the women's ice hockey Nor'easters play for (abbr.) |
| 42% | SHRUB | 5 | Synonym for bush that contains the letters B, U, S, and H |
| 42% | NCAA | 4 | Group that's the subject of "bracketology": Abbr. |
| 42% | MINI | 4 | Skirt that's not for the modest |
| 42% | ALOE | 4 | Succulent that's good for the skin |