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What ancient climates tell us about high carbon dioxide concentrations in Earth’s atmosphere

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Title: What ancient climates tell us about high carbon dioxide concentrations in Earth’s atmosphere
Authors: Siegert, M
Haywood, A
Lunt, D
Van de Flierdt, T
Francis, J
Item Type: Report
Abstract: This briefing discusses the last time our planet had the same levels of carbon dioxide in the atmosphere as it does today, and what environmental conditions were like then. Studying the geology from this and earlier periods tells us that global temperatures may rise by over 10°C if we keep emitting carbon dioxide as forecast for the next 80 years. The paper explains how, to avoid this catastrophic climate, the world must cut greenhouse gas emissions to net zero by 2050 at the latest.
Issue Date: 26-May-2020
URI: http://hdl.handle.net/10044/1/79292
DOI: 10.25561/79292
Publisher: The Grantham Institute
Start Page: 1
End Page: 6
Journal / Book Title: What ancient climates tell us about high carbon dioxide concentrations in Earth’s atmosphere
Copyright Statement: © 2020 The authors, produced for The Grantham Institute. This work is licensed under the terms of the Creative Commons Attribution Licence. This licence permits all or part of the work to be copied and shared with others, provided that the original authors and source are credited. The full licence is available at: https://creativecommons.org/licenses/by/4.0/
Keywords: Climate change
Climate
Environment
Carbon dioxide
Geology
Place of Publication: http://www.imperial.ac.uk/grantham
Publication Status: Published
Article Number: Briefing note 13
Appears in Collections:Faculty of Engineering
Earth Science and Engineering
Faculty of Natural Sciences
Grantham Institute for Climate Change