Abstract: After the closure or abandonment of mines,a large amount of land resources will be generated,such as the pits and waste disposal areas of open-pit mines,as well as the ground squares and the subsidence areas of underground mines. Land resources are one of the most important natural resources in China,and the land resources of closed/ abandoned mines are relatively abundant. However,due to the adverse effects of mining,the issue of redevelopment and utilization of these land resources is an important challenge faced by closed/ abandoned mines. In response to the shortcomings of the current utilization for such land resources,the current development status of combined development and utilization of closed/ abandoned mining land resources with wind energy,light energy,forestry,agriculture,and animal husbandry at home and abroad is analyzed at first. A scientific and technological system for the development and utilization of closed/ abandoned mining land resources in China is proposed,namely the "wind-forest-light" new energy complementary redevelopment model of land resources. The technical factor evaluation standards and transformation scheme system under different conditions is studied,and the problems and difficul-ties in the current development and utilization of closed/ abandoned mining land resources in China is summarized. Five basic thoretical and five pending technical difficuties that need to be overcome in the implementation process is condensed,and the corresponding policy measures and future development prospects is put forward. The study results show that:① The redevelopment of new energy resources from closed/ abandoned mining land is an emerging,limitless potential new discipline that requires cross disciplinary cooperation across multiple fields. Ground resources are the carrier,and the state of the carrier after mining is the core. The application of new energy in all directions is the goal;② The redevelopment of new energy for the closure/ abandonment of mining land resources is not only an important measure to achieve sustainable utilization of land resources in China,but also an important direction for developing new energy to help achieve China′s "dual carbon" goals. At the same time,it is also an important measure to achieve the transformation of closed/ abandoned mines. On the basis of further improving this model,it is necessary vigorously promote the comprehensive development and utilization of new energy for the closure/ abandonment of mining land resources.

Key words: carbon peaking and carbon neutrality goals,closed/ abandoned mines,land resources,new energy development