laura (laura2010xx)

Race #3387

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Official speed 56.17 wpm (83.96 seconds elapsed during race)
Race Start February 23, 2013 2:55:52pm UTC
Race Finish February 23, 2013 2:57:16pm UTC
Outcome Win (1 of 5)
Accuracy 91.0%
Points 0.00
Text #155 (Length: 393 characters)

The problem we now face is that this thin layer of atmosphere is being thickened by huge quantities of human-caused carbon dioxide and other greenhouse gases. And as it thickens, it traps a lot of the infrared radiation that would otherwise escape the atmosphere and continue out to the universe. As a result, the temperature of the Earth's atmosphere and oceans is getting dangerously warmer.