“Aqueous vapor [water vapor] is a blanket more necessary to the vegetable life of England than clothing is to man. Remove for a single summer-night the aqueous vapour from the air which overspreads this country, and you would assuredly destroy every plant capable of being destroyed by freezing temperature. The warmth of our fields and gardens would pour itself unrequited into space, and the sun would rise upon an island held fast in the iron grip of frost.” – John Tyndall, “Heat, a Mode of Motion” (p. 359, fifth edition, 1875) [H/t William Happer]

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