The Institute of Public and Environmental Affairs thus included the factory on its China Water Pollution Map with the expectation that Unilever provide an explanation.

公众环境研究中心据此将其列入中国水污染地图并希望联合利华对此事进行说明。

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We will use your results to build up a map of local air pollution across England.

BBC: York & North Yorkshire - Can you help identify lichen?

Having completed his calculations, Dr Cinzano compared his map with estimates of light pollution in Italy that were made in the 1970s.

ECONOMIST: Going, going, nearly gone