To intensify basic external insulation level of power system-fundamental way for prevention of large-scale pollution flashover.

防止大面积污闪的根本出路是提高电网的基本外绝缘水平。

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Cities in Pakistan and India, such as Quetta and Kanpur, as well as Botswana's capital Gaborone, also ranked high on the pollution scale.

巴基斯坦和印度的城市，像是奎达和坎普尔，还有博茨瓦纳首都哈博罗内都是污染非常严重的城市。

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There have been few epidemiological studies to validate such claims, but the scale of such reports highlights the growing fear of pollution.

目前还没有流行病学研究对这些说法进行认证，但是大量的报导加剧了人们对污染的恐惧。

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This project makes use for the first time of high resolution simulations from a state-of-the-art regional atmospheric chemistry model to capture both urban and regional scale air pollution features.

UNESCO: 2015 For Women In Science Fellows

The environment has moved to the top of their political agenda, and they have promised increased environmental investment, set impressive targets for reducing pollution and launched grand-scale campaigns to address particularly challenging problems of environmental degradation.

CNN: Economic miracle, environmental disaster

"The sheer scale of the economic activity in China means that pollution is as probably bad as it has ever been anywhere in the world, ever, " Lester Brown, head of Washington-based Earth Policy Institute, told CNN.

CNN: China: Economic growth, environmental destruction