pollution

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Across
  1. 4. any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack.
  2. 5. they can enter our bloodstream and contribute to coughing or itchy eyes and cause or worsen many breathing and lung diseases
  3. 7. all forms of pollution cause 43% of this
Down
  1. 1. damaging crop yields
  2. 2. the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
  3. 3. comes from oil, pet waste, pesticide, herbicide, fertilizer, road salt, bacteria, sediment, and any other contaminant that ends up on the ground naturally or from human activity.
  4. 6. Animal agriculture produces 65% of the world's nitrous oxide emissions which has a global warming impact 296 times greater than carbon dioxide