Greenland was mostly green the last time carbon levels were this high.
Check out this story on USATODAY.com: https://www.usatoday.com/story/news/nation/2019/04/04/global-warming-earths-carbon-dioxide-levels-highest-3-million-years/3367027002/.
Check out this story on USATODAY.com: https://www.usatoday.com/story/news/nation/2019/04/04/global-warming-earths-carbon-dioxide-levels-highest-3-million-years/3367027002/Canada Latest News, Canada Headlines
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