Carbon dioxide – the gas scientists say is most responsible for global warming – has reached levels in our atmosphere not seen in 3 million years, scientists announced.
from USATODAY - World Top Stories http://bit.ly/2U0ahMw
Earth's carbon dioxide levels highest in 3 million years, study says
![Earth's carbon dioxide levels highest in 3 million years, study says]()
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April 06, 2019
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