The Environment Crossword

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Across
  1. 2. Gas with highest global warming potential
  2. 4. Variety of Life on Earth
  3. 7. Protocol that sets a landmark agreement for protection of Ozone layer depletion
  4. 8. Community of Living organisms
  5. 9. Environment Impact caused by human activities
Down
  1. 1. Meeting present needs without compromising with the future
  2. 3. Protecting Natural resources
  3. 5. Harmless to Environment
  4. 6. Most abundant green house gas on the Atmosphere
  5. 9. Layer of rock that can hold water