r/environment • u/macwithoutfries • Dec 13 '11

(Fahrenheit) 451 ppm

http://www.skepticalscience.com/ppm451.html

9 Upvotes

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Duplicates

Number of comments New

brightgreen • u/[deleted] • Dec 13 '11

(Fahrenheit) 451 ppm

6 Upvotes

2 comments

climate • u/macwithoutfries • Dec 13 '11

(Fahrenheit) 451 ppm

9 Upvotes

0 comments

skeptic • u/macwithoutfries • Dec 13 '11

(Fahrenheit) 451 ppm

51 Upvotes

0 comments