If you don't ease road congestion there will be more pollution damaging the environment.

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"If we only rely on domestic resources to develop the animal-husbandry industry, China's grain production will face challenges, and there will be more serious environmental pollution problems, " Mr. Li said.

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The city will be in breach of EU pollution standards in 2012 if there are more than 35 "bad air" days, after which further action can be taken by the European Commission.

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There will be talk, and fights, of course, but for those hoping to avoid more regulations on pollution, it could be time to exhale.

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