北京为何要跟融雪剂说“再见”？

Group 1 - The core viewpoint of the article is that Beijing has stopped using de-icing agents for snow removal to protect the ecological environment and road facilities [3][4] Group 2 - Common de-icing agents, such as sodium chloride, calcium chloride, and magnesium chloride, are effective but have detrimental effects on concrete and accelerate the corrosion of steel, impacting the stability of roads and bridges [4] - The use of de-icing agents can lead to soil salinization, affecting plant growth, and can also harm the surrounding water bodies, thereby impacting the ecological environment [4] - Many cities, including Beijing, are recognizing the potential hazards of de-icing agents and are taking measures to reduce their usage, opting for greener and safer alternatives to ensure public safety during snowy conditions [4]