charcoal

coke (processed coal used in blast furnace)

wood charcoal; coal

peat

extreme distress; in utter misery

Fo Tan (area in Hong Kong)

live coal; ember; burning coals

to manufacture charcoal; to burn charcoal (often a reference to suicide by carbon monoxide poisoning)

coal (old)

carbonized mugwort leaf (TCM); Folium Artemisiae argyi carbonisatum

bone black; animal charcoal

coal; charcoal; (of skin) darkly pigmented; charcoal (color); bituminous coal (mining)

smokeless coal

activated carbon

carbonized mugwort leaf (used in TCM); Folium Artemisiae argyi carbonisatum

people are in a terrible situation (idiom)

see 生靈塗炭|生灵涂炭[sheng1 ling2 tu2 tan4]

lit. to send charcoal in snowy weather (idiom); fig. to provide help in sb's hour of need