pollution is one of 
bigAdd an article
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  problems 
 in Change preposition
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 the Correct article usage
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 worldwide. Individuals 
 that international car-free days are 
effectiveAdd an article
the effective
an effective
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  rule 
ofChange preposition
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  increasing 
 ; 
, 
otherFix the agreement mistake
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  argue there are other 
alternativeChange the wording
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 . All in all, in my 
opinionAdd the comma(s)
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  that the international 
car-freedaysCorrect your spelling
car-free days
car-freeways
  isCorrect subject-verb agreement
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  one of the most 
 for reducing 
 pollution, 
 the crucial 
thinkCorrect your spelling
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  areChange the verb form
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  making 
habitAdd an article
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  to takeChange preposition
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  public transportation and increasing knowledge about 
environmentAdd an article
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 .
Moving for more details, the government  should make 
regulationFix the agreement mistake
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  for Individuals who 
stayVerb problem
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  in big cities 
useFix the infinitive
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  public transportation for daily 
. 
, it will be integrated if some stakeholders make a
  groupsChange the noun form
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  forum discussion and apply rules. 
, the Kompas news found that the 
  in Jakarta for 4 years increased 
 becauseAdd the preposition
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  the impact of 
regulationFix the agreement mistake
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  for using 
trainFix the agreement mistake
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 . 
, the one benefit of using public 
 is 
riseCorrect article usage
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  airChange preposition
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  .
On 
otherCorrect article usage
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  handsFix the agreement mistake
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 , Individuals should know more about the impact of 
. 
, society, government and local 
NGOFix the agreement mistake
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   to keep 
earthCorrect article usage
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  with some 
. 
InChange preposition
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  instance, in Papua, the local government and Local 
NGOFix the agreement mistake
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  doing 
seminarFix the agreement mistake
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  forChange preposition
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  how to plant trees. And 
, 
collaborateWrong verb form
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  with 
and doing 
 will 
be warningWrong verb form
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  people to care about 
environmentAdd an article
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 .
In conclusion, there are a lot of 
 for reducing 
 pollution. 
, using public transportation and increasing knowledge are 
bestCorrect article usage
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  ways 
forChange preposition
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  riseCorrect your spelling
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   .