The Environment

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Across
  1. 5. The mixture of gases around the Earth
  2. 6. Increasing business, cultural and other contacts between countries
  3. 8. Rise in the world’s temperature
Down
  1. 1. Damage caused to the air by harmful substances or waste
  2. 2. Rain which contains harmful chemicals as a result of burning substances such as oil and coal
  3. 3. Environmentally friendly
  4. 4. Not existing any longer
  5. 7. Around the world