Pollution
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Letters: It was disappointing that there was no reference to the strong protective effect of breastfeeding in the prevention of sudden infant death syndrome (Sids) in the commentary on Peter Fleming’s important and seminal work on this topic
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Number of single-use bags handed out dropped to 500m in first six months since charge, compared with 7bn the previous year
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London’s new mayor looks certain to tackle transport-based pollution more effectively than his predecessor but is being urged to go further still
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The hi-tech illuminated costumes worn by media artist Kasia Molga reveal changes in urban air pollution and bring together art and science
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Queensland authorities say they have identified the vessel that spilled up to 15 tonnes of oil off Cape Upstart in July 2015
Emissions from new diesel cars are still far higher than official limit