Random Thoughts: RT @sciam: We just breached the 410 PPM threshold for CO2. Carbon dioxide has not reached this height in millions of years.… https://t.co/R6w66oOu8W

Friday, April 21, 2017

RT @sciam: We just breached the 410 PPM threshold for CO2. Carbon dioxide has not reached this height in millions of years.… https://t.co/R6w66oOu8W

We just breached the 410 PPM threshold for CO2. Carbon dioxide has not reached this height in millions of years. https://t.co/3ZAOTl79dK http://pic.twitter.com/E8ueSynKB7
— Scientific American (@sciam) April 21, 2017

from Twitter https://twitter.com/deabigt

April 21, 2017 at 12:19PM
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