可持续性实验(An experiment in sustainability)

联合国教科文组织将2022年11月3日定为第一个一年一度的国际生物圈保护区日。生物圈保护区是世界各地的广大地区，用于促进生物多样性、文化多样性、环境可持续的经济发展以及人类如何与自然共存的研究和教育。
原文：
UNESCO designated November 3, 2022, the first annual International Day for Biosphere Reserves. Biosphere reserves are vast areas around the world used to promote biodiversity, cultural diversity, environmentally sustainable economic development, and research and education on how humans can coexist with nature.
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