With the terrible traffic and high pollution in Waymarsh, we must implement a policy similar to Gearsvilles.

鉴于Waymarsh严重的交通与污染问题，我们必须实施和Gears ville类似的政策。

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Thee University of Cambridge study showed that even in cities with high pollution levels, the benefits outweigh the risks.

剑桥大学的研究表明，即使在空气污染程度较高的城市，锻炼仍是利大于弊。

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Markets may view high pollution levels as evidence that a firm's operations are inefficient, and may raise concerns about financial liabilities and penalties.

市场可能把污染程度高看成是企业经营效率低的表现，可能会对其财务负债和处罚表示关注。

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It's also more likely that high pollution levels will occur because heat creates the conditions for photochemical smog.

CNN: In-Depth Specials - City Limits

Its Ohio River basin water-quality trading project will allow those facing high pollution-control costs to buy reduction credits from those whose costs are lower.

ECONOMIST: Nutrient pollution

Other concerns include potential impacts to groundwater in the event of a spill and high pollution from refineries along the Gulf Coast that would process the bitumen.

FORBES: If U.S. Says No To Canadian Oil Sands Pipeline, China Will Say Yes