environment

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Across
  1. 2. To make something clean and tidy
  2. 5. A form of energy used to power devices like TVs and laptops.
  3. 6. To make the air, water, or land dirty or harmful.
  4. 9. To collect and process materials to make them reusable.
Down
  1. 1. The physical and mental condition of a person.
  2. 3. A machine that cools and dries the air in a room
  3. 4. Animals and plants that live in a free and natural environment.
  4. 7. The natural world that is home to plants, animals, and humans.
  5. 8. To avoid using more than necessary, especially energy or resources.
  6. 10. To cause something to happen, often something unpleasant.