The book “Biological control of the state of the environment”, created by the team of authors, is a unique study that immerses the reader in the world of ecology, biology and sustainable development. This publication will be a real discovery for all those interested in environmental protection, sustainable management of natural resources and modern methods of monitoring the environmental state. The book examines various aspects of biological control, which includes the use of living organisms to assess and maintain ecosystem health. The authors share their knowledge of how biological indicators can help identify changes in the environment and predict potential threats. This is especially true in the context of global climate change and human impact on nature. The reader will be able to learn about modern methods, such as biomonitoring, which allow to monitor the state of ecosystems and identify problems in the early stages. This book will be of interest to a wide range of readers: from undergraduate and graduate students studying ecology and biology, to professionals in the field of environmental protection and sustainable development. It will also attract the attention of activists and all those who are not indifferent to environmental issues and want to contribute to the preservation of the planet. It will find a lot of useful information and practical recommendations for both those who are just beginning their journey in this field, and experienced specialists. The topics raised in the book cover a wide range of issues, such as the impact of pollution on biodiversity, methods for assessing the state of water bodies and soils, and the role of microorganisms in maintaining ecological balance. The authors emphasize the importance of integrating biological methods into existing monitoring systems, which can significantly improve the effectiveness of environmental protection. The style in which the book is written is characterized by accessibility and scientific rigor. The authors use many examples from practice, which makes the material not only informative, but also fascinating. The book is replete with illustrations and graphs that help to better understand complex concepts and make reading more visual. This publication will be an indispensable tool for anyone who wants to understand the intricacies of biological control and its importance for sustainable development. The team of authors working on this book consists of leading experts in the field of ecology and biology, which gives the work additional value. Their previous research and publications have already established themselves as authoritative sources of information, and “Biological Environmental Control” is no exception. This work can become the basis for further research and discussions in scientific circles. If you are looking for literature that will help you understand more deeply how biological methods can contribute to environmental protection, this book will be an excellent choice. It will not only expand your knowledge, but also inspire action to protect our planet. Read “Biological Control of the Environment” and discover a world where science and nature work in harmony, creating a sustainable future for all living beings.