[Hainan: Comprehensively promote the construction of green mines, and the proportion of green mines in large and medium-sized production mines will reach 100% by 2030] On October 26, the Hainan Provincial Committee of the Communist Party of China and the Hainan Provincial People's Government issued the "Opinions on Building an Ecological and Environmentally Friendly Free Trade Port." It points out that green development and utilization of mineral resources should be promoted. Strengthen the upgrading and transformation of green and low-carbon technology and equipment in mining, and strictly control unorganized dust and noise emissions from mining, transportation, processing and other links. Comprehensively promote the construction of green mines, and by 2030, the proportion of green mines in large and medium-sized production mines will reach 100%. Promote the follow-up management, maintenance and composite utilization of mine ecological restoration, and explore the "mine ecological restoration + cultural tourism" resource redevelopment and utilization model. Promote the digital and intelligent development of mining enterprises.