Earth Day

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Across
  1. 4. Chemical-free farming method
  2. 5. Buying nearby reduces food _____
  3. 6. Turning waste into useful products
  4. 7. Singapore's national sustainability roadmap
Down
  1. 1. Ensuring stable access to safe and nutritious food
  2. 2. Those who cultivate crops and raise livestock
  3. 3. Energy from the sun
  4. 8. Controlled environment for growing plants