控制致敏植物，城市需要细“治”入微

Core Viewpoint - The newly released draft of the Beijing local standard "Technical Specifications for Urban Greenway Construction" emphasizes the need to control the use of allergenic plants, particularly female varieties of poplar and willow, due to their significant pollen dispersion in spring, which affects public health and safety [1] Group 1: Environmental Management - The new regulations suggest that the addition of plants should avoid using female varieties of poplar and willow, and limit the use of allergenic plants to mitigate health issues related to pollen [1] - The management of poplar and willow pollen has been addressed through various measures, including the use of non-toxic coagulants to bind pollen on trees, high-pressure water spraying, and replacing a certain percentage of female trees with male ones [1] Group 2: Urban Green Space Quality - Beijing's forest coverage has reached 45%, with 1,136 parks, allowing over 92% of residents to access green spaces within 500 meters, indicating a shift from quantity to quality in urban greening efforts [2] - The specifications also cover technical standards for green island layout, landscape design, and traffic connectivity, reflecting a human-centered approach to urban governance [2] - The focus on improving the quality of green spaces contributes to the overall well-being and happiness of residents, highlighting the importance of a good ecological environment as a fundamental aspect of public welfare [2]