Ключевые слова: abstract, art, background, beauty, biology, business, campaign, care, children, clean energy, climate, color, colorful, concrete, conservation, development, earth, ecological, ecology, education, energy, environment, family, floor, global warming, green, growth, hand, happiness, holding, lifestyle, natural, nature, paint, people, planet, pollution, protect, recycle, recycling, save, sustainable, symbol, technology, tree, volunteer, wallpaper, woman, world, world environment day,