Sustainability

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Across
  1. 4. Ground _ _ _ _ _ _ heat pump (6)
  2. 5. Our carbon _ _ _ _ _ _ _ _ _ is the total amount of greenhouse gases that are generated by our action (9)
  3. 7. Colour associated with sustainability (5)
  4. 8. Which greenhouse gas contributes most to climate change (6,7)
  5. 9. What did Mcdonalds swap from plastic to paper in 2020? (6)
  6. 10. To use more than once (5)
Down
  1. 1. A material that pollutes the world's ocean (7)
  2. 2. Type of farming that does not use chemicals (7)
  3. 3. A diet and lifestyle that avoids all animal-derived products (5)
  4. 6. Term used for energy derived from natural sources (9)