Across
- 5. The type of CO2 used for decaffeinating coffee and as a solvent
- 6. Section of the Earth's atmosphere where the Ozone layer is found
- 9. Another name for Carbon Capture and Storage (CCS)
- 10. City after which the protocol for protecting the ozone layer is named
- 11. Unit of measurement for ozone concentration
Down
- 1. The process that occurs when a gas or liquid is held to the surface of a solid
- 2. Metal commonly used in catalytic converters
- 3. One of the common uses of CFCs
- 4. Continent below the largest hole in the ozone layer
- 5. The development of processes that prevent the depletion of natural resources
- 7. Type of hydrocarbons previously used as dry cleaning solvents, for example tetrachloroethene
- 8. Resources which are infinite and will not run out