The book "Fundamentals of Ecology" by B. A. Levdanskaya is a fascinating and deep immersion in the world of ecology, which will become an indispensable tool for both students and anyone interested in the environment and its protection. In today's world, where environmental issues are becoming more relevant, this book offers readers not only theoretical knowledge, but also practical recommendations that will help to better understand how our planet functions. In "Fundamentals of Ecology" Levdanskaya reveals the basic concepts and principles underlying ecosystems, their interaction and interdependence. The reader will learn about how various factors both biotic and abiotic affect life on Earth. The book covers a wide range of topics: from the structure of ecosystems and the biosphere to issues of sustainable development and environmental protection. In each section, the author shares not only scientific data, but also examples from real life, which makes the material more accessible and understandable. This book will be of particular interest to students and faculty studying ecology, biology and related disciplines. However, its usefulness is not limited to the academic environment. Anyone who wants to better understand how human activity affects nature and what measures can be taken to protect it will find in it many valuable ideas and recommendations. The book will be useful for both schoolchildren and adult readers who seek to approach environmental and sustainable development issues with awareness. The topics raised in the Environmental Fundamentals are crucial in light of current environmental challenges: climate change, pollution, species extinction, and the depletion of natural resources. Levdanskaya not only describes the problems, but also offers ways to solve them, emphasizing the importance of individual responsibility for the state of the planet. The book inspires active actions and a conscious attitude towards nature, which makes it especially relevant in our time. Levdansky's style is distinguished by clarity and accessibility, which allows even complex scientific concepts to be presented in an understandable and fascinating form. It uses many illustrations, diagrams and tables, which makes reading more interactive and helps to better absorb material. In. A. Levdanskaya is the author of many scientific papers and articles, and her experience in the field of ecology and environmental protection allows her to share knowledge with readers at a high level. If you are looking for books on ecology that will help you understand complex environmental issues, Levdanskaya’s Fundamentals of Ecology is what you need. This book will be a great addition to the library of everyone who is interested in nature, its protection and the future of our planet. Reading it, you will not only expand your knowledge, but also get motivation for active action in the field of environmental protection. Don’t miss the opportunity to learn more about how we can save our planet for future generations. Fundamentals of Ecology is not just a book, it is a call to action that will help you become part of the global movement for the protection of nature and sustainable development.