Earth
Air pollution blamed for 500,000 early deaths in Europe in 2014
The biggest source of harm was particulate matter from domestic stoves, but nitrogen dioxide from cars is also linked to many premature deaths
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The biggest source of harm was particulate matter from domestic stoves, but nitrogen dioxide from cars is also linked to many premature deaths
Ponds created in the holes blasted by second world war bombs are as biodiverse as natural ones, and could help preserve species as the salty pools vanish