Shanghai will stop providing 90-octane gasoline starting next month to ease air pollution and create a cleaner 2010 World Expo, local media said.

据当地媒体报道，上海从下月起停止供应90号汽油，以减轻空气污染，为世博会创造良好环境。

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The unsaturated hydraulic conductivity is a key parameter of porous media applied to groundwater pollution prediction and assessment.

多孔介质非饱和导水率是地下水污染预测与评价的重要参数。

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In 2005, state media reported that pollution made major portions of China's river water and ground water supplies were unsafe.

中国官方媒体2005年报导，污染使得中国大部份河水和地下水不安全。

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Amid celebrations welcoming the Year of the Snake, the media raise concerns over pollution again as smoky fireworks shroud many cities in thick haze.

BBC: China media: New Year haze

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

State media is talking about the pollution.

CNN: China needs smog-free air in a can