The book is dedicated to the most important problem of our time, which worries people around the world - the climate change of our planet. The reader will learn how climate and weather affect a person and the development of human society, on the occurrence of natural disasters and epidemic diseases. The author pays special attention to the problems of accurate forecasting, which are of great economic importance. The author's reflections on folk signs and on the role of animals and plants in weather forecasts are also interesting. The book is addressed to students of national universities of natural sciences and a wide range of readers.