About the book: 2021 / The world in which we live is much more complex than people often perceive it in everyday life. He is generous, but very fragile and defenseless. With every century, Nature poses more and more global problems to Humanity. And it requires responsible, thoughtful, balanced and, most importantly, timely decisions. This book sounds an Alarm signal addressed to people. In the age of natural disasters, depletion of planetary resources, pandemics and the consequences of the greenhouse effect threatening the Earth, the presented book becomes especially relevant and topical for a caring and thoughtful reader. Publishing layout saved in PDF A4 format.