The Pollution Haven Hypothesis (PHH) states that as a result of increased regulation, multinationals shift their dirty production to countries with poor environmental standards.

污染避难所假说指出，由于各项法规的逐日增加，跨国企业将其污染型生产工厂转移到环境规制薄弱的国家。

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The restriction regulation against diesel engine noises pollution become more stringent all over the world as long as people's environmental consciousnesses are rising.

随着人们环保意识的不断提高，世界各国、各地区针对柴油机噪声的限制法规日趋严格。

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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

These arguments center largely around the idea that current air pollution regulation is good enough as-is, and that any further restrictions are aimed at tackling environmental issues and climate change, both typically seen as luxuries in a down economy.

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