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Facing the serious environmental pollution problems, we need to take steps to solve these problems immediately.

面对严重的环境污染问题，我们需要马上采取措施来解决问题。

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It is proposed that the price of cars and petrol should be increased to combat the growing traffic and pollution problems.

有人提议提高汽车和汽油的价格，以应对日益严重的交通和污染问题。

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Some say the new cars will increase India's traffic and pollution problems.

VOA: special.2009.03.28

And of course, there are still pollution problems with motorists.

当然，机动车的污染问题依然很严重。

我使用自行车 - SpeakingMax英语口语达人

Lake Champlain also has the same kinds of environmental problems, including pollution and nonnative sea life, as the Great Lakes.

VOA: special.2009.01.05

Indeed, London's pollution problems are likely to intensify as the city starts growing again after the recession.

ECONOMIST: Cleaning up London��s dirty air

China, which faces growing pollution problems from fossil fuels, recently resumed permitting new reactors, ending a hiatus that followed Fukushima.

WSJ: Upside: A Contrarian Play With Big Potential

Media coverage of local industrial pollution problems is encouraged by the government of China, to show that they care about the environment.

FORBES: Magazine Article