Across
- 2. Amount or level of something
- 4. a sudden event that causes very great trouble or destruction
- 5. Flammable gas, CH4
- 6. The revolution characterized by the replacement of hand tools with power-driven machines
- 10. Any combustible organic material, as oil, coal
- 11. Having or producing a high temperature
- 14. A powerful effect that something
- 15. A gradual increase in world temperatures
- 16. To turn from something solid into something liquid
- 17. The city where the agreement within the United Nations dealing with greenhouse-gas-emissions was signed in 2016
- 18. To make something become smaller in size, amount, degree, importance
Down
- 1. The effect of an increase in the amount of carbon dioxide and other gases in the atmosphere
- 3. A situation in which something no longer exists
- 7. A natural event such as a flood, earthquake, or tsunami
- 8. A condition of instability or danger
- 9. forms of energy that are produced using the sun, wind.
- 12. A situation in which there is not enough of something
- 13. Gas by combustion, CO2