Warren

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