Modern problems of biology, ecology, chemistry . H. 3" by R. C. Begunova, published by Yaroslavl State University, is a fascinating and in-depth study of topical issues facing modern life sciences and the environment. This is the third part of the series, which touches on the most important aspects of biology, ecology and chemistry, and will certainly be a valuable resource for both students and professionals in these areas. In this book, the authors raise a number of key topics related to the contemporary challenges facing humanity. These include climate change, pollution, and the impact of chemicals on ecosystems. Each chapter is imbued with relevant research and practical examples, which allows the reader not only to better understand the theoretical foundations, but also to see how this knowledge is applied in real life. This makes the book especially interesting for those who seek practical application of scientific knowledge. The book will be particularly useful for undergraduate and graduate students studying biology, ecology and chemistry, as well as teachers and researchers working in these fields. It is suitable for those who are just starting their way in science, and for experienced professionals who want to update their knowledge about current trends and problems. If you are interested in sustainable development, environmental protection and biological research, this book will be a real discovery for you. Topics raised in "Modern problems of biology, ecology, chemistry" relate not only to scientific aspects, but also to social, economic and ethical issues. For example, the consequences of human activity on ecosystems and public health are discussed, which makes the book relevant for a wide audience, including environmentalists, biologists, chemists, as well as everyone who is not indifferent to the fate of our planet. It is important to note that the authors not only analyze existing problems, but also suggest possible ways to solve them, which adds practical value to the book. Style R. C. Begunova is distinguished by clarity and accessibility of presentation, which allows the reader to easily assimilate even the most complex concepts. In the previous parts of this series, the authors have already demonstrated their talent for explaining complex scientific concepts in simple and understandable language, which makes their work especially valuable for a wide audience. Reading this book is not only an opportunity to expand your knowledge, but also a chance to reflect on your contribution to the preservation of the environment. If you are looking for literature that will help you understand modern problems of ecology and biology, as well as their relationship with chemistry, then “Modern problems of biology, ecology, chemistry” H. 3" will be an indispensable helper for you. This book will not only enrich your scientific baggage, but also inspire new ideas and actions in the field of environmental protection. Do not miss the opportunity to get acquainted with the most important issues that concern scientists and society as a whole.