Each person must think about tomorrow and try to keep what he has. It also pollutes the environment and thus causes irreversible consequences. And so the researching of environmental problems is one of the important task of the present time. Irrational using of natural resources, depletion of natural resource, pollution are the main problems of this time - and these problems are not of one person, but of the whole humanity. People by their houghtless actions destroy nature, forgetting that this is not forever.