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Paleoclimate Perspectives on Contemporary Climate Change.

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Title: Paleoclimate Perspectives on Contemporary Climate Change.
Authors: Harrison, Sandy P.1 (AUTHOR) s.p.harrison@reading.ac.uk, Bartlein, Patrick J.2 (AUTHOR), Cruz-Silva, Esmeralda1,3 (AUTHOR), Haas, Olivia1 (AUTHOR), Jackson, Stephen T.4 (AUTHOR), Kaushal, Nikita5 (AUTHOR), Liu, Mengmeng1 (AUTHOR), Magri, Donatella6 (AUTHOR), Robson, Dominic T.1 (AUTHOR), Vettoretti, Guido7 (AUTHOR), Prentice, I. Colin8 (AUTHOR)
Source: Annual Review of Environment & Resources. Oct2025, Vol. 50 Issue 1, p67-95. 29p.
Subject Terms: *Climate change, *Paleoclimatology, *Environmental education, *Climate feedbacks, *Glaciation, Paleoenvironmental studies, Ecological resilience, Atmospheric models
Abstract: Paleoclimate data have informed contemporary climate science, and could do so more extensively. Quaternary data record glacial–interglacial cycles paced by variations in Earth's orbit. Faster climate changes include repeated warming–cooling (Dansgaard–Oeschger) cycles during glacial times as well as abrupt glacial terminations, suggesting repeated crossings of a tipping point. Climate models reproduce some key features of past climate change but not others, including patterns of orbitally forced precipitation changes and linkages between different modes of climate variability. Land ecosystem records document plant species' resilience to rapid climate change, in contrast to large mammals' vulnerability; multiple roles of natural wildfires; and effects of low glacial CO2 on vegetation and fire. Dansgaard–Oeschger cycles constrain biogeochemical feedbacks, showing large increases of CH4 and N2O with warming and suggesting destabilizing feedbacks through land surface albedo under glacial conditions. Lessons for conservation include recognizing "novel" ecosystems as normal and respecting the paramount role of species movements as responses to rapid climate change. [ABSTRACT FROM AUTHOR]
Copyright of Annual Review of Environment & Resources is the property of Annual Reviews Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Paleoclimate Perspectives on Contemporary Climate Change.
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  Data: <searchLink fieldCode="AR" term="%22Harrison%2C+Sandy+P%2E%22">Harrison, Sandy P.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> s.p.harrison@reading.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Bartlein%2C+Patrick+J%2E%22">Bartlein, Patrick J.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cruz-Silva%2C+Esmeralda%22">Cruz-Silva, Esmeralda</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Haas%2C+Olivia%22">Haas, Olivia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jackson%2C+Stephen+T%2E%22">Jackson, Stephen T.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kaushal%2C+Nikita%22">Kaushal, Nikita</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Mengmeng%22">Liu, Mengmeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Magri%2C+Donatella%22">Magri, Donatella</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Robson%2C+Dominic+T%2E%22">Robson, Dominic T.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Vettoretti%2C+Guido%22">Vettoretti, Guido</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Prentice%2C+I%2E+Colin%22">Prentice, I. Colin</searchLink><relatesTo>8</relatesTo> (AUTHOR)
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  Data: *<searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br />*<searchLink fieldCode="DE" term="%22Paleoclimatology%22">Paleoclimatology</searchLink><br />*<searchLink fieldCode="DE" term="%22Environmental+education%22">Environmental education</searchLink><br />*<searchLink fieldCode="DE" term="%22Climate+feedbacks%22">Climate feedbacks</searchLink><br />*<searchLink fieldCode="DE" term="%22Glaciation%22">Glaciation</searchLink><br /><searchLink fieldCode="DE" term="%22Paleoenvironmental+studies%22">Paleoenvironmental studies</searchLink><br /><searchLink fieldCode="DE" term="%22Ecological+resilience%22">Ecological resilience</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+models%22">Atmospheric models</searchLink>
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  Data: Paleoclimate data have informed contemporary climate science, and could do so more extensively. Quaternary data record glacial–interglacial cycles paced by variations in Earth's orbit. Faster climate changes include repeated warming–cooling (Dansgaard–Oeschger) cycles during glacial times as well as abrupt glacial terminations, suggesting repeated crossings of a tipping point. Climate models reproduce some key features of past climate change but not others, including patterns of orbitally forced precipitation changes and linkages between different modes of climate variability. Land ecosystem records document plant species' resilience to rapid climate change, in contrast to large mammals' vulnerability; multiple roles of natural wildfires; and effects of low glacial CO2 on vegetation and fire. Dansgaard–Oeschger cycles constrain biogeochemical feedbacks, showing large increases of CH4 and N2O with warming and suggesting destabilizing feedbacks through land surface albedo under glacial conditions. Lessons for conservation include recognizing "novel" ecosystems as normal and respecting the paramount role of species movements as responses to rapid climate change. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Annual Review of Environment & Resources is the property of Annual Reviews Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1146/annurev-environ-112922-110121
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 29
        StartPage: 67
    Subjects:
      – SubjectFull: Climate change
        Type: general
      – SubjectFull: Paleoclimatology
        Type: general
      – SubjectFull: Environmental education
        Type: general
      – SubjectFull: Climate feedbacks
        Type: general
      – SubjectFull: Glaciation
        Type: general
      – SubjectFull: Paleoenvironmental studies
        Type: general
      – SubjectFull: Ecological resilience
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      – SubjectFull: Atmospheric models
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      – TitleFull: Paleoclimate Perspectives on Contemporary Climate Change.
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              Text: Oct2025
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              Y: 2025
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