In 2021, around 22.45 million square kilometers of terrestrial area and inland waters worldwide were protected, accounting for nearly 17 percent of the total area. The global terrestrial area protected has more than doubled since 1990.
Terrestrial protected areas worldwide from 1990 to 2021
(in million square kilometers)
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UNEP, & IUCN. (May 31, 2021). Terrestrial protected areas worldwide from 1990 to 2021 (in million square kilometers) [Graph]. In Statista. Retrieved November 23, 2024, from https://www.statista.com/statistics/1356436/protected-terrestrial-land-worldwide/
UNEP, und IUCN. "Terrestrial protected areas worldwide from 1990 to 2021 (in million square kilometers)." Chart. May 31, 2021. Statista. Accessed November 23, 2024. https://www.statista.com/statistics/1356436/protected-terrestrial-land-worldwide/
UNEP, IUCN. (2021). Terrestrial protected areas worldwide from 1990 to 2021 (in million square kilometers). Statista. Statista Inc.. Accessed: November 23, 2024. https://www.statista.com/statistics/1356436/protected-terrestrial-land-worldwide/
UNEP, and IUCN. "Terrestrial Protected Areas Worldwide from 1990 to 2021 (in Million Square Kilometers)." Statista, Statista Inc., 31 May 2021, https://www.statista.com/statistics/1356436/protected-terrestrial-land-worldwide/
UNEP & IUCN, Terrestrial protected areas worldwide from 1990 to 2021 (in million square kilometers) Statista, https://www.statista.com/statistics/1356436/protected-terrestrial-land-worldwide/ (last visited November 23, 2024)
Terrestrial protected areas worldwide from 1990 to 2021 (in million square kilometers) [Graph], UNEP, & IUCN, May 31, 2021. [Online]. Available: https://www.statista.com/statistics/1356436/protected-terrestrial-land-worldwide/