Core Points - China has 34 natural reserves approved as UNESCO Biosphere Reserves, ranking first in Asia, contributing to biodiversity and ecosystem protection [1][3] - The "Man and the Biosphere" (MAB) program, initiated by UNESCO in 1971, has seen China develop the largest national network for its implementation [3][4] - The fifth World Biosphere Reserve Congress will be held in Hangzhou, Zhejiang from September 22 to 25, 2025, focusing on sustainable futures for humans and nature [4] Group 1 - China has established a comprehensive network of 214 natural reserves, including the 34 UNESCO Biosphere Reserves, covering major ecosystem types and biodiversity areas [3] - The Chinese Academy of Sciences, as the chair of the National Committee for the Man and the Biosphere program, provides strong technological support for biodiversity protection and sustainable development [4] - The upcoming congress will host around 4,000 representatives from over 150 countries and regions, marking the first time the event is held in Asia [4]

Core Points - China has 34 natural reserves approved by UNESCO as World Biosphere Reserves, ranking first in Asia, contributing to biodiversity and ecosystem protection [1][2] - The "Man and the Biosphere Programme" (MAB) initiated by UNESCO in 1971 is the longest-standing intergovernmental scientific program, with China having the largest national network for its implementation [1] - By August 2025, China will have 214 natural reserves, including the 34 World Biosphere Reserves, covering major ecosystem types and biodiversity protection areas [1] - The Chinese Academy of Sciences, as the chair unit of the National Committee for MAB, provides strong technological support for biodiversity protection and sustainable development [2] - The 5th World Biosphere Reserve Conference will be held in Hangzhou, Zhejiang from September 22 to 25, 2025, with the theme "Shaping a Sustainable Future for People and Nature," and will host around 4,000 representatives from over 150 countries and regions [2]