Ключевые слова: air pollution, area of contamination, calamity, chemicals, clouds, concept, defilement, dirt, disaster, discharge, drought, dump, ecology, enterprise, evening, factory, filth, fume, garbage, ground, heavenly, impurity, industrial, industry, landscape, litter, mill, mud, nature, ordure, outdoor, plant, poison, polluted area, pollution of the environment, radiation, radioactive contamination, rivers, rubbish, russia, severe drought, sky, smoke, sunset, toxin, trash, waste, watercolor, works,