For now, the U.S. and the European Union are proposing the elimination of tariffs on pollution-reducing technologies and services to speed the spread of technology around the world.The u.

目前美国和欧盟的建议是通过取消污染减排技术和服务的关税来推动相关技术在全球范围的推广。

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Cities across the U. S. are cracking down on air pollution by enforcing auto emissions control, limiting the use of wood burning stoves, and by monitoring factory pollution.

美国各地的城市都在治理空气污染，做法是控制汽车废气排放、限制使用薪柴炉和监测工厂污染。

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Zoi adds that developing the electric car and other clean-energy industries will also help cut U. S. dependence on foreign oil and put the brakes on climate-changing carbon pollution.

佐伊补充说，研发电动车和其他清洁能源工业，将有助于减少美国对外国石油的依赖，并且遏制造成气候变化的碳污染。

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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 U.S.Environmental Protection Agency,or EPA, lists stormwater as the primary cause of water pollution in the United States, and encourages local communities to develop management plans to treat run-off before it pollutes their rivers, lakes or streams.

VOA: standard.2010.08.04

But the Oil Pollution Act bans the U.S.-built ship from Alaskan waters.

CNN: Exxon Valdez

Michael K. Dorsey, a professor of environmental studies at Dartmouth and coauthor of Carbon Trading, says that while pollution trading programs work in the U.S. to control pollutants like sulfur dioxide, it will be hard to track such schemes in developing nations.

FORBES: When Pigs Fly

Michael K. Dorsey, a professor of environmental studies at Dartmouth and coauthor of Carbon Trading, says that while pollution-trading programs work in the U.S. to control pollutants like sulfur dioxide, it will be hard to track such schemes in developing nations.

FORBES: Magazine Article