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• “Charitable Contribution Deductions”. Internal Revenue Service, 18 Aug. 2021, https://www.irs.gov/charities-non-profits/charitable-organizations/charitable-contribution-deductions.
• “Climate Leadership Council”. Wikipedia, 18 Jan. 2022. Wikipedia, https://en.wikipedia.org/w/index.php?title=Climate_Leadership_Council&oldid=1066478641.
• Desanlis, Helene, et al. Funding Trends 2021: Climate Change Mitigation Philanthropy. Climate Works Foundation, 2021, https://www.climateworks.org/report/funding-trends-2021-climate-change-mitigation-philanthropy/.
• Dixon, Mary. Private Funders of the New ‘Protecting Our Planet Challenge’ Announce $5 Billion Commitment to Protect and Conserve 30% of Planet by 2030. Wildlife Conservation Society, 22 Sept. 2021, https://newsroom.wcs.org/News-Releases/articleType/ArticleView/articleId/16685/Private-Funders-of-the-New-Protecting-Our-Planet-Challenge-Announce-5-Billion-Commitment-to-Protect-and-Conserve-30-of-Planet-by-2030.aspx.
• “Foundations Announce Climate Action Commitments at COP26”. Philanthropy News Digest (PND), 11 Mar. 2021, https://philanthropynewsdigest.org/news/foundations-announce-climate-action-commitments-at-cop26.