Related Clues:
- Upper atmospheric layer
- UV-blocking molecule
- Atmospheric gas shielding us from ultraviolet radiation
- Australia has one damaged layer
- Layer that absorbs ultraviolet radiation
- Layer that blocks ultraviolet rays
- Stratosphere stuff
- Damaged layer? Australia has one
- Atmospheric oxidant
- Colourless gas, a form of oxygen
- Smog ingredient
- Stuff in a stratospheric layer
- Not a single person went topless after inhaling unknown gas
- Stratospheric shield
- Gas found in Australia once carbon is extracted