Max Arthur Cohn's painting "Coal Tower" shows the dark form of a coal tower against a light sky.

VOA: special.2009.03.23

He ate alone by the light of a coal-oil lamp.

VOA: special.2009.06.27

Without any intervention from politicians or environmentalists societies that progress have been using m ore fuels that have less carbon with higher energy density (1 kg of wood fuels a light bulb for 1 day, 1 kg of coal fuels a light bulb for 4 days, 1 kg of crude oil for 5 days, 1kg of methane for 6 days and 1 kg of uranium for over 140 years).

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Dark coal-like rocks will also reflect less light than bright icy objects.

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The home that he has lived in since 1983, has been heated by two open coal fires, with candles providing his only light.

BBC: Northern Ireland