Environment

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Across
  1. 1. harm or injury that makes something less valuable or able to function.
  2. 3. the gradual increase of temperature on the earth’s surface due to greenhouse effect.
  3. 5. to keep and protect something from damage, change or waste.
  4. 6. non-renewable energy sources such as coal, fuel oil and natural gas formed from dead plants and animals underground.
  5. 8. the removal or cutting down of all trees in an area for urban use and farm lands.
Down
  1. 2. This occurs when the earth’s atmosphere traps certain gases such as carbon dioxide as well as water vapour. This makes the earth’s surface warmer.
  2. 4. the using up or reducing something like energy or resources.
  3. 7. to make air, water, or soil dirty or unclean