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En-en adult card 21 temperature rise: Difference between revisions
En-en adult card 21 temperature rise (view source)
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== Card #21: Rising Air Temperatures == | |||
<center> | |||
[[File:En-en_adult_card_21_front.png|400px]] | |||
The average air temperature at the surface of the Earth has increased by 1.2°C since 1900. Future emission scenarios predict that this increase will reach | |||
between 2 and 5°C by 2100. During the last ice age 20,000 years ago, the average air temperature was only 5°C lower than today and warming up took 10,000 years. | |||
</center> | |||
== Explanation== | == Explanation== | ||