Across
- 6. The process by which green plants use sunlight to make their own food.
- 8. Presence of salt on the land's surface.
- 9. The result of the sun's heat being trapped in the atmosphere.
- 11. A gradual increase in overall temperature of the Earth's atmosphere.
- 15. A view that farming should work with nature and not against it.
Down
- 1. Beginning in 1940's when new agricultural techniques brought great increases in food production.
- 2. Refers to ideas, methods or processes in farming
- 3. The level below the surface of the ground where water can be found.
- 4. Reliable access to adequate food to sustain a healthy life.
- 5. The warming of the atmosphere as a result of in increase in CO2
- 7. A piece of land in low lying area that has been reclaimed from a body of water.
- 10. A food such as coal or gas, formed in the geological past from the remains of living organisms.
- 12. The removal of the topsoil on the land's surface.
- 13. A crop produced for its commercial value rather than human consumption.
- 14. The lack of available water resources to meed demand.