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Whats In a 20,000 Year-Old Cube of Ice?

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 Archeology / Paleontology   |   Biology   |   Chemistry   |   Environmental   |   Science
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It’s time for the PBSDS Annual Survey! We want to hear from YOU
Share your feedback here: https://www.pbsresearch.org/c/r/IOTBS_YTvideo
↓↓↓ More info and sources below ↓↓↓

Earth’s climate is changing in a big way, and it’s because there's more carbon dioxide in the atmosphere than at any point in our species’ history. But Earth’s climate has changed before. How do we know that this time we’re the cause? We know thanks to tiny bubbles of ancient atmosphere trapped in ice. #climatechange #globalwarming

Thanks to Dr. Jeff Severinghaus and the Scripps Institution of Oceanography

References: https://sites.google.com/view/ice-cores-climate-change/home

Special thanks to our Brain Trust Patrons:
AlecZero
Bob Rosset
Brent M.
Diego Lombeida

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