Gamera – 18th century invention combined with 21st century innovation

Here’s a fact that might be hard to believe: 40% of global air pollution is caused by inefficient domestic solid fuel appliances. A poorly functioning stove, for example, can emit levels of PM2.5 that are up to 250 times higher than a correctly functioning one. The effects of this pollution are well-documented: building damage, loss of crops and, most crucially, a severe...

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