| EARTHTONE | Natural hue whose first word is our planet: 2 wds. (Theme answer: The natural elements in a band name are followed by something you can hear) |
| WINDCHIME | Hanging percussion instrument whose second word is an anagram of the first five letters of "chemist": 2 wds. (Theme answer: The natural elements in a band name are followed by something you can hear) |
| FIREALARM | Emergency signal whose first five letters anagram to "I fear": 2 wds. (Theme answer: The natural elements in a band name are followed by something you can hear) |
| ECRU | Natural hue |
| HOWONEARTH | Question of disbelief whose third word is our home planet: 3 wds. |
| COLOURING | The natural hues of one's eyes, hair and skin; the filling in of a shape or outline with crayons or felt-tip pens; food dye; or, pervading tone (9) |
| ERNIE | His word is our bond, we hope! |
| FIRE | Wind at work: It's the only one of the natural elements that is spread by one of the others |
| STRAIN | Natural element in character |
| ALECBALDWIN | It's Complicated actor who narrated the scientific documentaries Journey to the Edge of the Universe and Frozen Planet: 2 wds. |
| MARSATTACKS | ___! 1996 comic sci-fi film directed by Tim Burton starring Pierce Brosnan which is based on spaceship that left Earth to return to the red planet: 2 wds. |
| BILLGATES | Microsoft mogul who's giving away his fortune to help the planet: 2 wds. |
| PERRYWHITE | Clark Kent's boss at the Daily Planet: 2 wds. |
| CLUTTER | Disordered heap; a mare's nest; a group of cats; or, radar disturbance caused by chaff or natural elements such as rain, birds or the sea (7) |
| EROSION | In geology, the process caused by wind, water flow or other natural elements, also called denudation |
| ICEGIANT | Huge, frozen planet: 2 wds. |
| MEGAPIXEL | Unit of graphic resolution used to describe the number of image sensor elements in a digital camera (9) |
| WISHBONE | A fowl's forked furcula or "merrythought", named for a custom of two people pulling it apart in blithesome divination as a good luck charm; a divided spar; or, a V-shaped element in a suspension syste |
| INFIMUM | In mathematics, the largest element in a set that is less than or equal to all the other elements (7) |
| GARAGED | Protected from the elements, in a way |