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25/07/2017

Progress on Drinking Water Sanitation and Hygiene 2017 ( 114 pages research doc )

2.1 billion people globally have no safe drinking water at home and 4.5 billion have no access to adequate sanitation. While over 100 million people were […]
20/03/2017

Which are the world’s most polluted cities?

Air pollution has risen by 8% globally in the past five years, but China is addressing its air pollution problem. Image: REUTERS/Kim Kyung-Hoon Most large cities […]