Jul. 10, 2020 10:00AM ESTSCIENCE
Authors of a new study warned Thursday that increasing carbon dioxide in the atmosphere is nearing a level not seen in 15 million years. Dawn Ellner / Flickr / CC by 2.0
By Jessica Corbett
As a United Nations agency released new climate projections showing that the world is on track in the next five years to hit or surpass a key limit of the Paris agreement, authors of a new study warned Thursday that increasing carbon dioxide in the atmosphere is nearing a level not seen in 15 million years.
For the study, published in the journal Scientific Reports, researchers at the University of Southampton in the United Kingdom examined CO2 levels during the Late Pliocene about three million years ago “to search for modern and near future-like climate states,” co-author Thomas Chalk explained in a series of tweets.
“A striking…
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