Last term I took part in a geography research study group. Our topic was environmental pollution and protection.

上学期，我参加了地理小组的研究性学习。我们研究的课题是：环境污染与环境保护。

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Whether the environmental pollution problems due to the external message, and focus on environmental protection?

会否因为外界对环境污染问题的消息，而注重环保?。

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The US Environmental Protection Agency (EPA) keeps tabs on air pollution through dozens of strategically placed pollution sensors in cities and towns throughout the country.

美国环境保护机构（EPA）通过遍布全国城镇的很多战略放置的污染传感器密切注意空气污染。

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Medical science, bolstered by research from the U.S.Environmental Protection Agency, shows a strong link between air pollution and heart disease and stroke.

VOA: standard.2010.08.04

The debate over air pollution and, more specifically, the regulation of air pollution, raged on this week as the Environmental Protection Agency (EPA) watered down its cross-state pollution rule and House Republicans moved to delay new rules on toxic air pollution from cement plants, solid waste incinerators, and industrial boilers.

FORBES: Two New Reasons to Worry about Air Pollution: Obesity and Diabetes

The Department of Energy is releasing supplies from the nation's Strategic Petroleum Reserve to limit disruptions of supplies to oil refineries, which "will help take some pressure off of gas prices, " and the Environmental Protection Agency has waived rules requiring low-pollution blends in some areas in order to increase availability of gas and diesel, he said.

CNN: Bush tells victims: 'A lot of help coming'

Soil contamination has long been an issue in China, were rapid industrialization and lax enforcement of environmental-protection laws have resulted in the pollution of large swathes of arable land with a variety of heavy metals.

WSJ: China Seeks to Calm Anxiety Over Rice