The Lorax Crossword Puzzle

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Across
  1. 4. the natural world
  2. 6. long-term shifts in temperatures and weather patterns
  3. 8. clearing up forested land
  4. 10. the use of energy
Down
  1. 1. introduction of contaminants into the natural environment
  2. 2. a person protects the environment
  3. 3. to support or strengthen
  4. 5. philosophy that involves the sustainable use of natural resources to benefit animals and people
  5. 7. a biological community of interacting organisms and their physical environment.
  6. 9. relating to the whole world