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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?


To: Brumar89 who wrote (76151)4/14/2017 12:23:17 PM
From: Eric  Read Replies (1) | Respond to of 86356
 
en.wikipedia.org

Without greenhouse gases, the average temperature of Earth's surface would be about -18 °C (0 °F), [2] rather than the present average of 15 °C (59 °F). [3] [4] [5] In the Solar System, the atmospheres of Venus, Mars and Titan also contain gases that cause a greenhouse effect.