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A letter from a multidisciplinary group of scientists to President Biden calling for a fast and fair phaseout of all fossil fuels, increased climate finance for low- and middle-income countries, the operationalization of the Loss and Damage Fund, and the protection of COP28 negotiations from fossil fuel industry interference.

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  • The authors call for a rapid and equitable phaseout of coal, oil, and gas, asserting that stabilizing global temperatures below 2°C and as close to 1.5°C as possible is impossible without dramatic reductions in fossil fuel use.
  • The scientists urge the United States to increase climate finance for low- and middle-income countries to support their clean energy transitions and adaptation efforts, noting that the U.S. has previously failed to meet its financial commitments.
  • The document requests that the U.S. help operationalize the Loss and Damage Fund established at COP27, ensuring it is resourced to help low- and middle-income nations facing extreme climate impacts, potentially through levies on fossil fuel polluters.
  • The authors express concern over the influence of the fossil fuel industry at COP events and specifically warn that the COP28 presidency in the United Arab Emirates has interests that conflict with necessary climate action.
  • While acknowledging progress from the Inflation Reduction Act, the authors state that the U.S. remains a top producer and exporter of fossil fuels and has not contributed its fair share of global climate funding.

Cite the original document

APA
Union of Concerned Scientists (2023). scientists-letter-cop28-42fbb7d6aa9e22e6.pdf. https://ucs-documents.s3.amazonaws.com/global-warming/Scientists-Letter-COP28.pdf
Chicago
Union of Concerned Scientists. scientists-letter-cop28-42fbb7d6aa9e22e6.pdf. 2023. https://ucs-documents.s3.amazonaws.com/global-warming/Scientists-Letter-COP28.pdf.
Wikipedia
{{cite press release |author=Union of Concerned Scientists |title=scientists-letter-cop28-42fbb7d6aa9e22e6.pdf |date=14 November 2023 |url=https://ucs-documents.s3.amazonaws.com/global-warming/Scientists-Letter-COP28.pdf |access-date=23 October 2026 |via=Climate Insights Directory}}
BibTeX
@misc{unionofconcernedscientists2023scientistslettercop2842fbb7d6aa9e22e6pdf, author = {{Union of Concerned Scientists}}, title = {{scientists-letter-cop28-42fbb7d6aa9e22e6.pdf}}, publisher = {Union of Concerned Scientists}, year = {2023}, month = nov, url = {https://ucs-documents.s3.amazonaws.com/global-warming/Scientists-Letter-COP28.pdf}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }

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