Group 1 - The core viewpoint of the articles emphasizes the importance of banning methyl bromide in agriculture to protect the ozone layer and ensure the safety of agricultural products [1][6][9] Group 2 - Methyl bromide, a colorless and odorless fumigant, was widely used for soil disinfection due to its effectiveness against pests, pathogens, weeds, and nematodes in high-value crops like ginger and strawberries [4] - The substance poses significant risks to human health and the environment, being highly toxic to humans and livestock, and a potent ozone-depleting substance that can cause severe damage to the ozone layer [5] Group 3 - In response to its environmental hazards, methyl bromide was included in the controlled substances list of the Montreal Protocol, with China committing to its phased elimination, having largely banned its production and use for all but special purposes by 2015 [6][7] - The Ministry of Agriculture and Rural Affairs in 2019 mandated that methyl bromide could only be used for quarantine fumigation, prohibiting its use in soil fumigation in agriculture [7] - A revised regulation on ozone-depleting substances will take effect in March 2024, imposing strict legal responsibilities and heavy fines for illegal production, use, or sale of methyl bromide [8] Group 4 - The current efforts to eliminate illegal use of methyl bromide require a collaborative approach from society, with regulatory bodies promoting awareness, source control, and enforcement to guide farmers towards safe alternatives and combat illegal activities [9]