Book «No972 General ecology: Principles and methods of environmental regulation of atmospheric emissions of metallurgical industries: course of lectures» by Stepanov A. M. and Razyapov A. Z. is an important and relevant work dedicated to one of the most pressing problems of our time - ecology and environmental protection. With the rapid growth of industry and increasing anthropogenic pressure on nature, issues related to emission rationing are becoming increasingly important for society, business and the state. The authors, having a rich experience in the field of ecology and metallurgy, offer the reader an in-depth analysis of the principles and methods of environmental regulation used in metallurgical industries. The book covers a wide range of topics, ranging from the basics of general ecology to specific methods of estimating and controlling emissions, making it an indispensable tool for students, graduate students and specialists in the field of ecology, metallurgy and related disciplines. Readers interested in sustainable development, environmental protection and environmental safety will find a lot of useful information in this edition. The book will be especially interesting for those who seek to understand how industrial processes affect the environmental situation, and what measures can be taken to minimize the negative impact on the atmosphere. This can be useful for both students and practitioners working in the fields of ecology, waste management and sustainable development. The topics raised in the book concern not only the technical aspects of emission rationing, but also the social and economic consequences associated with environmental pollution. The authors emphasize the importance of an integrated approach to solving environmental problems, emphasizing the need for interaction between various industries and government structures. This makes the book relevant not only for scientists, but also for representatives of business and government bodies who make decisions on the introduction of environmentally friendly technologies. The style of the authors is clear and accessible, which allows the reader to easily assimilate complex concepts and ideas. Stepanov and Razyapov use examples from real practice, which makes the material more clear and understandable. Their previous work is also noteworthy, as they have already established themselves as experts in the field of ecology and metallurgy. The book “No. 972 General Ecology” will be a logical continuation of their scientific activities and will be useful for everyone who seeks a deeper understanding of the interaction between man and nature. If you are looking for information on how metallurgical industries can become more environmentally friendly, what are the modern methods of emission control and what principles are at the heart of environmental rationing, then this publication will be a real discovery for you. The book not only enriches knowledge, but also inspires actions aimed at protecting the environment. Thus, «No972 General ecology: Principles and methods of environmental regulation of atmospheric emissions of metallurgical industries: a course of lectures» is not just a textbook, but an important contribution to the discussion about the future of our planet. It calls for an awareness of the responsibility of each of us for the environmental situation and suggests concrete steps to improve it. Read, study and act the future of ecology is in your hands!