自然保護
↑ Newman, Varner, Lunquist (2018). Defending Biodiversity. Cambridge University Press. ISBN 9781139024105. https://www.cambridge.org/core/books/defending-biodiversity/9B7C54CA64EB0F71072AD4C80E505F5A
↑ “To keep the planet flourishing, 30% of Earth needs protection by 2030”. National Geographic. 2021年5月18日閲覧。
↑ “New Australian Marine Parks Protect an Area Twice the Size of the Great Barrier Reef”. Ecowatch. Mongabay. (2021年5月14日). https://www.ecowatch.com/australia-marine-parks-conservation-2652985201.html 2021年5月18日閲覧。
↑ Gardiner and Thompson (2017). The Oxford Handbook of Environmental Ethics. OUP
↑ Hawkins, Ronnie Zoe (1998).