The results of studies of the mechanical and chemical-toxicological properties of hydrocarbon-based drilled cuttings during the firing process at various temperature conditions are presented. Changes in the mineralogical composition, gross content of heavy metals, content of chloride, phosphate, sulfate ions and petroleum products, as well as the level of toxicity were studied. The indicators of the neutralization product were determined: water absorption capacity, strength, loss of strength in a water-saturated state. A technological scheme for the process of neutralizing the drilled cuttings with production of an environmentally friendly building material that can replace a part of the imported natural materials is described.

The results of research on the use of rare earth metals for the development of a low-carbon economy are presented. Directions for the use of rare earth metals for the development of solar and wind energy are shown. Characteristics are given and information is given on the volumes of extraction of rare earth metals in the context of the main countries. The opportunities associated with the use of rare earth metals for the development of renewable energy in the context of low-carbon development are identified, as well as the environmental and social risks associated with the extraction and transportation of ore to processing plants. Using the example of the development of the Tomtor rare earth metal deposit in the Arctic zone of the Republic of Sakha (Yakutia).

The article deals with the actual problem of atmospheric air pollution with technogenic chemicals that negatively affect the ecology of the Salavat air basin of the Republic of Bashkortostan. An intelligent environmental monitoring system is proposed, which is able to give an integral assessment of the state of the city's air basin, identify sources of increased air pollution, process information using an artificial neural network in online mode, and also develop recommendations for enterprises to optimize their operating mode.

The effect of contamination of ordinary black earth with platinum oxide (PtO2) on biological properties: root length and germination of radish, total number of bacteria, abundance of bacteria of the genus Azotobacter, activity of catalase and dehydrogenases have been studied. The concentrations studied were 0.01, 0.1, 1, 10 and 100 mg/kg in 10, 30 and 90 days after contamination. A stimulating effect (hormesis) of platinum oxide at a concentration of 0.01 mg/kg on the biological properties of ordinary black earth was recorded. It was found that in other cases, platinum oxide has a negative effect on the studied parameters, and exhibits the greatest toxicity after 30 days after contamination, followed by restoration of soil properties after 90 days. It was concluded that the most sensitive (highest degree of reduction) indicators to platinum oxide contamination were the total number of bacteria, germination and length of radish roots. Early diagnosis of the degree of soil contamination with platinum compounds is recommended in order to obtain a prompt assessment of the impact and prevent possible negative consequences.

Based on the remote sensing data, comprehensive information is provided on mining landscapes at deposits of mineral raw materials for production of cement, crushed stone, metallurgical fluxes, and asbestos products, which are in open-pit mining in the mining regions of Russia. Using high-resolution satellite images, the amount of mining transport equipment in quarries at non-metallic mineral deposits has been determined. The volume of diesel fuel consumed by dump trucks  when removing rocks from quarries has been calculated. The volume of toxic substances released into atmosphere during the operation of quarry vehicles in the being developed deposits of non-metallic minerals has been established.

Based on the results of remote monitoring, the state of mining operations in quarries for the extraction of mineral raw materials consumed by cement plants in Russia was investigated. The fleet of mining and transport vehicles in operation in cement quarries was studied. The production capacity of each quarry in terms of rock mass and the total production potential of quarries in Russia, estimated at 210 million tons per year, have been determined. The environmental indicators of disturbed lands during the development of mineral deposits for use in the cement industry as a whole are presented.

Based on the results of remote monitoring, the state of mining operations in quarries for the extraction of mineral raw materials consumed by crushed stone plants in Russia was investigated. The indicators of integrated mechanization of crushed stone quarries based on the presence of operating mining and transport vehicles have been identified. The production capacity of each quarry in terms of rock mass and the total production potential of the crushed stone plants in Russia, estimated at 285 million tons per year, have been determined. The environmental indicators of disturbed lands during the development of mineral deposits for use in the crushed stone plants are presented.

Based on the results of remote monitoring, the current state of mining operations in quarries for the extraction of chrysotile-asbestos and metallurgical fluxes used in various sectors of the Russian national economy was studied. The production capacity of each quarry in terms of rock mass at the studied deposits and the total production potential of the quarries for the extraction of minerals, estimated at at least 95 million tons per year, have been determined. The environmental indicators of disturbed lands during the development of deposits of chrysotile-asbestos and metallurgical fluxes are presented.

A justification for the creation of a center for remote sensing of the Earth from space is presented in order to monitor the environmental condition of the companies producing solid minerals on a federal scale. The use of artificial intelligence elements in the search for environmentally acceptable geometric parameters of the refuse dumps is shown. The structure of an algorithm for substantiating the technologies for formation and reclamation of the refuse dumps is disclosed, considering the natural and climatic characteristics of the territories where the mineral deposits are being developed. The interaction of information flows with subjects in the ecology of the mining industry is detailed.

An analysis of the main anthropogenic sources of greenhouse gases entering the atmosphere was carried out, changes in emissions over the past 30 years were determined both for the Russian Federation as a whole and for a large metropolis, Moscow. The measures taken at the state and local level to implement the Decree of the President of Russia of November 4, 2020 No. 666 "On reducing greenhouse gas emissions" have been considered. The reasons why the prospects for achieving carbon neutrality may move from medium-term to long-term objectives are substantiated, as well as the possibility of scaling the experience of Moscow in implementing directions to achieve carbon neutrality while maintaining economic growth to other populated areas of the country is explored.

The current and model future climate changes in the territories of the Leningrad Region and St. Petersburg in the medium and long term are considered. The socio-economic and environmental consequences of climate change are assessed. Directions for adaptation to climate change for various sectors of the economy are proposed to ensure the sustainable development of regions and the safety of the population.