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Earth's Carbon Dioxide Levels Continue to Soar, at Highest Point in 800,000 Years
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Earth's Carbon Dioxide Levels Continue to Soar, at Highest Point in 800,000 Years
Sat, 2018-05-05 09:09 — Kathy Gilbeaux
(Photo: Getty Images)
usatoday.com - by Doyle Rice - May 4, 2018
Carbon dioxide — the gas scientists say is most responsible for global warming — reached its highest level in recorded history last month, at 410 parts per million.
This amount is highest in at least the past 800,000 years, according to the Scripps Institute of Oceanography. Prior to the onset of the Industrial Revolution, carbon dioxide levels had fluctuated over the millennia but had never exceeded 300 parts per million.
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