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2. Earth beyond six of nine planetary boundaries
3. Carrington D. World on brink of five ‘disastrous’ climate tipping points, study finds. Guardian 2022 Sep 8. https://www.theguardian.com/environment/2022/sep/08/world-on-brink-five-climate-tipping-points-study-finds
4. Rishi Sunak announces U-turn on key green targets. Guardian 2023 Sep 20. https://www.theguardian.com/environment/2023/sep/20/rishi-sunak-confirms-rollback-of-key-green-targets
5. UN. Secretary-General's address to the General Assembly, 19 Sep 2023. https://www.un.org/sg/en/content/sg/speeches/2023-09-19/secretary-generals-address-the-general-assembly