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Singapore pollution reaches hazardous levels

This week Singapore's pollution standards index (PSI) reached 400, breaking all previous records and prompting government health warnings. A PSI reading above 200 indicates "very unhealthy" air, while a PSI score above 300 ...

dateJun 21, 2013 in Environment
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15 new conservation concerns

A review carried out by a group of international specialists has identified several emerging issues that are likely to damage biodiversity in the coming years.

dateDec 12, 2011 in Environment
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