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Article mentions coal based heating being a big culprit, which is most likely used residentially in homes and small businesses.
by chapium 9y ago
Article mentions coal based heating being a big culprit, which is most likely used residentially in homes and small businesses.
- Kayou 9y agoI thought it was a central source of coal heating, but if it's in every home, it's probably too difficult to filter then.
- seanmcdirmid 9y agoIn city heating is typically central, in then countryside it is by home. When I visited Tianjin in 1999, however, the apartment I was staying at had a coal furnace.