Ключевые слова: arid, background, barren, change, climate, cloud, concept, crack, dead, desert, dirt, disaster, drought, dry, earth, ecology, environment, environmental, erosion, field, future, global, grass, green, ground, growth, heat, hot, land, landscape, life, live, mud, natural, nature, plant, pollution, protect, rough, sand, sky, soil, sun, surface, terrain, tree, warming, weather,