Air purifiers: Indoor pollution kills but many devices are ineffective and some may even cause harm

Air pollution kills around 7 million people each year. Most of these deaths occur in developing countries, where solid fuel is often burned in poorly ventilated spaces. However, between 26,000 and 38,000 of those deaths occur in the U.K.

from Consumer Electronics News - Electronics News, Electronic Gadget News | Consumer Electronics |Electronic Gadgets https://ift.tt/QZd5P17

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