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  1. Due to overexploitation of resources by human beings, the earth is in danger.
  2. To save the earth we need to use resources carefully. 
  3. Global warming and climate change are important challenges to mother earth
  4. Protection of biodiversity is important if we want to save the earth.
  5. Sustainable agriculture is important for food security.
  6. Planting trees is one way to save the earth.
  7. Using recycling production help to improve the environment. 
  8. Saving electricity helps to protect the earth
  9. Non-renewable sources like coal, petroleum etc should be used carefully.
  10. Earth is the only planet which has the existence of life. It is our duty to protect the earth.