Ecology is a factor that determines the level of our life, health and comfort in this world! Understanding the intricacies of the interaction of living organisms with the environment, it is easy to determine what is good and what is bad for the health of our home planet. After all, all environmental problems begin with a small one — making disastrous changes to a small area, which can subsequently trigger a chain reaction leading to the formation of environmental disasters, first on a small and then on a planetary scale.