Ключевые слова: agriculture, background, bio, butterfly, care, child, clean, concept, conservation, day, development, earth, earth day, eco, ecology, ecosystem, energy, environment, environmental, family, forest, fresh, friendly, glass, glass ball, global, globe, green, growth, hand, happiness, leaf, leaves, life, living, nature, people, planet, plant, protect, protection, responsibility, save, seedling, social, soil, sustainability, sustainable, tree, world,