Environment Crossword

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Across
  1. 5. Used to make bottles / A recycable material
  2. 7. An increase in the amount of carbon dioxide and other gases in the atmosphere which is believed to be the cause of a gradual warming of the surface of the Earth
  3. 8. The power from something such as electricity or oil, which can do work, such as providing light and heat
  4. 9. A place full of trees, bushes and flowers
Down
  1. 1. Used to power up machines
  2. 2. Damage caused to water, air.... by harmful substances or waste
  3. 3. A large number of means of transport produce it while in use
  4. 4. Unwanted matter or material of any type, often that which is left after useful substances or parts have been removed
  5. 6. Has a log, roots and leaves