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The UN Climate Change Report

Temperature, Sea Level and Snow (7/10)

Temperatures influence sea levels and snow coverage. Since the last ice age sea levels have risen more than 100 meters. Figures from the IPCC indicate that the annual increase was about 0.1-0.2 millimetres at the end of the 18th century. Sea levels are now rising more than ten times as fast. Most of this change is due to the fact that water increases in volume when temperatures rise. Melting polar caps might amplify this increase. Earth’s shrinking snow coverage could also further speed up warming, because water and land reflect less of the sun’s heat than snow and ice. (Graphic: IPCC)

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