The book "Practice of ecology" by A. A. Chelnokova is an indispensable source of knowledge for students, teachers and anyone interested in environmental sciences. In today's world, where environmental issues are becoming increasingly relevant, this work offers readers not only the theoretical foundations but also the practical skills necessary to understand and solve environmental problems. In "Practice on ecology" Chelnokov invites readers to immerse themselves in the world of ecosystems, studying their structure, functions and interactions. The book covers a wide range of topics, ranging from biogeochemical cycles to sustainable development and environmental issues. The reader will be able to learn about how various factors affect ecosystems, what methods exist to assess their condition and how environmental studies can be conducted. Interestingly, the author is not limited to only theoretical aspects, but offers many practical tasks that will help to consolidate the knowledge gained and develop analytical thinking. Who can like this book? First of all, it will be useful for students of environmental specialties who are looking for an accessible and understandable guide to the basics of ecology. However, it is not only they who will find valuable information in it .. Teachers will be able to use "Practice" as a teaching aid for their students, as well as a source of ideas for developing their own courses and practical exercises. In addition, the book will be of interest to anyone who wants to understand more deeply how nature functions and how we can influence its preservation. The topics raised in the Environmental Practice cover not only scientific aspects, but also social and ethical issues. Chelnokov emphasizes the importance of environmental literacy and the responsibility of each person for the state of the environment In the face of global climate change and loss of biodiversity, the book becomes an important reminder that each of us can contribute to the protection of nature. Style A. A. Chelnokova is distinguished by the accessibility and clarity of the presentation . He is able to explain complex concepts in simple language, which makes his books attractive to a wide audience. Chelnokov is the author of not only the “Practice of Ecology”, but also a number of other works devoted to environmental sciences, which confirms his deep knowledge in this field. His approach to learning is based on interactivity and engagement, which makes the process of studying ecology not only rewarding, but also fascinating. If you are looking for books on ecology that will help you not only to master the theory, but also to apply knowledge in practice, “Practice on ecology” is an excellent choice. Readers interested in topics such as sustainable development, environmental protection and ecosystem services will find many useful ideas and recommendations in this book. Do not miss the opportunity to become part of a community that cares about the future of our planet, and discover the world of ecology with this practical guide.