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Supertopics:
Carbon Dioxide Emissions Miscellany
Human Evolution 2017 through 2022

humans have lived in a low-carbon world until now      web

webhttps://goodmenproject.com/environment-2/human-ancestors-lived-in-a-low-carbon-world/
authorTim Radford
publicationClimate News Network
date2019-10-04

Documents:
humans lived in a low-carbon world until 1965
webLeslie LeeTexas A&M University2019-09-25
low CO2 levels of the entire Pleistocene epoch
webJiawei Da, Yi Ge ZhangNature Communications2019-09-25
low CO2 levels of the entire Pleistocene epoch (pdf)
webJiawei Da, Yi Ge ZhangNature Communications2019-09-25

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