Even accounting for the new analysis, natural gas-which also emits less toxic and particulate pollution-offers a significant environmental advantage.
即便如此，天然气仍然以有毒物质少、颗粒污染物少的特征而具备显著的环境优势。
The smoky stoves that many of them use, the World Health Organisation reckons, produce particulate pollution that causes around 2m premature deaths a year.
世界卫生组织估计，他们当中许多人使用的炉子会产生很多烟，其中的微粒污染物每年都会导致近200万人提前死亡。
Research in Mexico City suggested that secondary aerosols made up two-thirds of particulate pollution, but earlier studies in Los Angeles showed the reverse, Jimenez says.
Jimenez说在墨西哥城进行的研究显示次生气溶胶占颗粒物污染的三分之二，但早些时候在洛杉矶的研究结果与之相反。
Measuring the health effects of particulate pollution is a tricky business — generally speaking, the smaller the particle, the more easily it can get inside your lungs and into your bloodstream.
评估可吸入颗粒对健康的影响是一件棘手的工作——通常说来，颗粒越小，那么就越容易被吸入肺中然后进入血液。
Environmental regulations in the United States and actions by the European Commission have led to substantial progress in reducing fine particulate pollution since 1990, the report said.
报告说，自1990年以来，美国的环境法规和欧盟委员会的行动在减少细颗粒污染方面取得了重大进展。
A significant secular increase has occurred in particulate pollution over the North Atlantic.
在北大西洋上粒子的污染明显地逐年增加。
CONCLUSION: Ambient particulate pollution has potential acute adverse health effects on human.
结论大气粗细颗粒物污染具有潜在的急性人群健康危害。
As a consequence, the study authors say that tighter restrictions on long-term exposure to fine particulate pollution are needed.
因此，这项研究的作者说，加紧对长期空气微粒污染的限制是必需的。
One effective way to abate particulate pollution is to research and develop filtration techniques for particulates from diesel emission.
柴油机排气微粒对环境危害严重，研究开发排气过滤技术是解决问题的有效措施之一。
China has vowed to launch its strictest environmental protection system and reduce the concentration of PM2.5 particulate pollution in cities with poor air quality by 18 percent by 2020.
中国已承诺施行最严格的环境保护条例，并预计在2020年之前将严重污染城市的PM 2.5颗粒污染浓度降低十八个百分点。
Recent research by Peking University environmental science professors calculated the cost of particulate pollution on human health in the city for 2002 alone at 25,000 deaths and 7.2% of city GDP.
北京大学环境科学工作者最近进行的研究显示，仅在2002年，北京的颗粒物污染就与25,000人的死亡有关，造成的经济损失相当于GDP的7.2%。
Particulate pollution, a major ingredient of hazy skies, has been linked to higher death rates from asthma, heart disease, and other ailments.
一般认为死于哮喘，心脏病和其它疾病的人数增加与灰色空气中的主要成分颗粒污染物有关。
Particulate pollution, a major ingredient of hazy skies, has been linked to higher death rates from asthma, heart disease, and other ailments.
一般认为死于哮喘，心脏病和其它疾病的人数增加与灰色空气中的主要成分颗粒污染物有关。
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