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Reviews of articles by: Denise Chow
CLAIM REVIEWS
It’s true that the current carbon dioxide level is higher than any time in human existence
CLAIM
the concentration of carbon dioxide in Earth’s atmosphere has climbed to a level last seen more than 3 million years ago — before humans even appeared on the rocky ball we call home
SOURCE: Denise Chow, NBC News
Published: 18 May 2019
VERDICT
