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Uploaded on Saturday 25 Feb 2012 by GRID-Arendal

Planets and atmospheres

Year: 2005
From collection: Vital Climate Graphics
Author: Philippe Rekacewicz, UNEP/GRID-Arendal
Description:
A planet's climate is decided by its mass, its distance from the sun and the composition of its atmosphere. Mars is too small to keep a thick atmosphere. Its atmosphere consists mainly of carbon dioxide, but the atmosphere is very thin. The atmosphere of the Earth is a hundred times thicker.
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Main greenhouse gases
Potential climate change impacts
Temperature and CO2 concentration in the atmosphere over the past 400 000 years
Global atmospheric concentration of CO2
Sources of greenhouse gases
Thinning of the Arctic sea-ice
IPCC structure
Radiative forcing - energy balances and the greenhouse effect