9. The main tasks of greening the sectors of the economy, improving technological processes and environmental activities are to reduce the impact on the environment and increase the efficiency of the rational and integrated use of natural resources through the modernization and reconstruction of manufacturing enterprises, the introduction of environmentally friendly and resource-saving technologies, including renewable energy sources. 10. The implementation of the main tasks specified in paragraph 9 of this Program is carried out through the implementation of the following activities: the introduction of environmentally sound low-waste technologies in the mining and smelting industry, the implementation of a set of measures to reduce environmental pollution; modernization of the existing technology for obtaining sulfur at the enterprises of the gas-chemical complex by direct oxidation; construction of a facility for the utilization of associated gases at oil and gas production facilities; improving energy efficiency in power generation processes and reducing emissions of pollutants into the atmosphere through the introduction of combined-cycle plants at thermal power plants; introduction of renewable environmentally friendly energy sources at cotton ginning enterprises, medical and educational institutions. 3.3. Prevention of environmental pollution by industrial and economic wastes 11. The main tasks in the field of prevention of environmental pollution by industrial and economic wastes are: prevention and elimination of the harmful effects of industrial and household wastes on the environment; reclamation of disturbed lands; rehabilitation of graves and landfills with toxic waste; improvement of the ecological situation in the territories of former uranium mines. 12. To fulfill the main tasks specified in paragraph 11 of this Program, it is planned to implement the following main activities: regions; improvement of the ecological situation on the territory of the former mines of Namangan and Tashkent; rehabilitation of tailings with toxic waste at the facilities of the mining and metallurgical industry; reclamation of disturbed lands at the facilities of the mining and metallurgical industry in the Navoi and Bukhara regions and their return to use; improvement of the ecological situation through the reclamation of lands of special landfills for pesticides and toxic substances; In places of burial, development of technology for the disposal of ash and slag waste at thermal power plants; Demercurization of mercury-containing lamps and devices. 3.