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More or Less: Behind the Stats
WS More More or Less: Are We Breathing Unsafe Air?
09:38 | Apr 13th, 2018
The World Health Organisation say that 95% of people who live in cities breathe unsafe air. But what do they mean by ‘unsafe’? And how do they calculate the levels or air pollution for every city in the world? Plus Mt Etna in Italy has reportedly mov...Show More