| ACIDRAIN | Can I rid a structure of pollution? (4,4) |
| HERBICIDE | Weeds about birch I rid - with this? |
| AIRBRUSH | Retouch a photo to rid a model, eg, of flaws (8) |
| PARAFOIL | A structure of light fabric, shaped like a plane wing, that can be inflated by wind, used in windsports (8) |
| BUTTRESS | A structure of brick or stone built against a wall to support it (8) |
| GOODNEWS | What were the happy words used by Kidds Beach Ratepayers and Residents chair Steve Keet to describe the saving of the Mcantsi River from sewage pollution? (4, 4) |
| LEANBURN | Le Mans wanting limits applied to speed, so as to reduce pollution? |
| POISONED | Ready to keep on suffering pollution? |
| OILSLICK | Medium wash is a main source of pollution (3,5) |
| DRAWDOWN | What is the term scientists use to describe a presently mythical - but desperately desired - moment when the amount of pollution humans put into the air stops climbing and starts to descend? (8) |
| OILINESS | Cries to gain attention about shipping companies and consequences of pollution |
| CLEANAIR | Objective of pollution reduction |
| DEMOCRATIC | Funny comedic art is systematic of a structure of government (10) |
| MANTEL | A structure of wood, marble, or stone above and around a fireplace |
| THEPIEDPIPEROFHAMELIN | He rid a town of rats |
| BOO | Word shouted to rid a friend of hiccups, maybe |
| CLEARTHEAIR | To rid a situation of tension by settling misunderstandings etc (5,3,3) |
| RAT | Starting to rid a town of vermin (3) |
| PIEDPIPER | Fairy-tale musician who rid a town of rats (4,5) |
| TOTEM | And 20Dn. Tom Peel to transform a structure of some charm (5,4) |
