Climate change

4. the level of the sea's surface.
8. physical quantity that expresses hot and cold measured by a thermometer.
10. natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
12. gas that contributes to the greenhouse effect by absorbing carbon dioxide.
13. gas produced by burning carbon
14. physical harm caused to something in such a way as to impair its value, usefulness, or normal function.
16. large, destructive fire that spreads quickly over woodland or brush.

1. the weather conditions prevailing in an area in general or over a long period.
2. make or become warm.
3. the covering or submerging of normally dry land with a large amount of water.
5. the sudden or violent start of something unwelcome, such as war, disease, etc.
6. becoming liquefied by heat.
7. prolonged period of abnormally low rainfall, leading to a shortage of water.
9. a substance or matter having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid).
11. the production and discharge of something, especially gas or radiation.
15. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.