The paper deals with topics related to waste management, circular economy, ecological footprint and energy efficiency. A large part of the work is related to waste management and waste processing technology at ŽCGO Kaštijun in Pula, and at the end a theoretical solution was given for the optimization of fuel production from waste at ŽCGO Kaštijun through a medium-term corrective plan and a long-term corrective plan. In waste management, the goals, principles and stakeholders of the waste management process are covered. As the human population expands and grows day by day, there is an increasing need for proper and adequate waste management in the world. The circular economy is the basis of sustainable development and as such has great potential in terms of innovation, creation of new jobs and ultimately economic growth. For its goal, the circular economy has the establishment of a system in which materials/goods retain their maximum value, strive to use them to the highest degree and close the circle in which waste from one process represents input, i.e. the starting raw material for another process. In a world that is developing faster than ever in history, the ecological footprint, which is the main indicator of human impact on natural resources, is of great importance. The paper provides an overview of the ecological footprint and all relevant terms. Designed corrective plans offer possible theoretical solutions for overcoming existing and upcoming obstacles for qualitative and quantitative satisfaction of the market's needs for the production of SRF.