Climate change

2. reduction in the number or quantity of something.
3. the production and discharge of something, especially gas or radiation.
5. a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
7. the surroundings or conditions in which a person, animal, or plant lives or operates.
11. the envelope of gases surrounding the earth or another planet.
14. a source of energy that is never depleted
15. weather conditions prevailing in an area in general or over a long period.
16. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration

1. the effect of glaciers melting
4. a colorless, odorless flammable gas which is the main constituent of natural gas
6. the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
8. a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
9. a steady increase in temperature
10. an individual animal, plant, or single-celled life form.
12. something worldwide
13. the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc.