Taking stock of nationally determined contributions: Continued ratcheting of ambition is critical to limit global warming to 1.5°C

Iyer, Gokul C.; Cui, Ryna; Edmonds, James A.; Fawcett, Allen; Hultman, Nathan; McJeon, Haewon C.; Ou, Yang

doi:10.1016/j.oneear.2023.08.019

Taking stock of nationally determined contributions: Continued ratcheting of ambition is critical to limit global warming to 1.5°C

Journal Article · Fri Sep 15 00:00:00 EDT 2023 · One Earth

DOI:https://doi.org/10.1016/j.oneear.2023.08.019· OSTI ID:2496217

^[1]; Cui, Ryna ^[2]; ^[1]; Fawcett, Allen ^[3]; Hultman, Nathan ^[2]; ^[4]; ^[5]

Pacific Northwest National Laboratory (PNNL), Richland, WA (United States). Joint Global Change Research Institute; Univ. of Maryland, College Park, MD (United States)
Univ. of Maryland, College Park, MD (United States)
US Environmental Protection Agency (EPA), Washington, DC (United States)
Korea Advanced Inst. Science and Technology (KAIST) (Korea, Republic of). Graduate School of Green Growth and Sustainability (GGGS)
Peking Univ., Beijing (China)

We will discuss that as countries take stock of progress made in accomplishing their climate goals ahead of COP28 this year, it is increasingly apparent that countries must ratchet ambition in policy areas such as non-CO₂ gases and carbon dioxide removal, while halting deforestation to lead the globe on a path consistent with the goals of the Paris Agreement.

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 2496217

Report Number(s):: PNNL-ACT-SA--10767

Journal Information:: One Earth, Journal Name: One Earth Journal Issue: 9 Vol. 6; ISSN 2590-3322

Publisher:: Cell PressCopyright Statement

Country of Publication:: United States

Language:: English

References (8)

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Deep mitigation of CO2 and non-CO2 greenhouse gases toward 1.5 °C and 2 °C futures Ou, Yang; Roney, Christopher; Alsalam, Jameel Nature Communications, Vol. 12, Issue 1 https://doi.org/10.1038/s41467-021-26509-z	journal	October 2021
Ratcheting of climate pledges needed to limit peak global warming Iyer, Gokul; Ou, Yang; Edmonds, James Nature Climate Change, Vol. 12, Issue 12 https://doi.org/10.1038/s41558-022-01508-0	journal	November 2022
Amazonia as a carbon source linked to deforestation and climate change Gatti, Luciana V.; Basso, Luana S.; Miller, John B. Nature, Vol. 595, Issue 7867 https://doi.org/10.1038/s41586-021-03629-6	journal	July 2021
Realization of Paris Agreement pledges may limit warming just below 2 °C Meinshausen, Malte; Lewis, Jared; McGlade, Christophe Nature, Vol. 604, Issue 7905 https://doi.org/10.1038/s41586-022-04553-z	journal	April 2022
Can Paris pledges avert severe climate change? Fawcett, A. A.; Iyer, G. C.; Clarke, L. E. Science, Vol. 350, Issue 6265 https://doi.org/10.1126/science.aad5761	journal	November 2015
Can updated climate pledges limit warming well below 2°C? Ou, Yang; Iyer, Gokul; Clarke, Leon Science, Vol. 374, Issue 6568 https://doi.org/10.1126/science.abl8976	journal	November 2021
Global Carbon Budget 2022 Friedlingstein, Pierre; O'Sullivan, Michael; Jones, Matthew W. Earth System Science Data, Vol. 14, Issue 11 https://doi.org/10.5194/essd-14-4811-2022	journal	November 2022

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Taking stock of nationally determined contributions: Continued ratcheting of ambition is critical to limit global warming to 1.5°C

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