Ключевые слова: agriculture, background, bio, care, child, clean, concept, conservation, day, development, earth, eco, ecological, ecology, ecosystem, energy, environment, environmental, family, forest, fresh, friendly, gardening, global, green, growth, hand, holding, leaf, life, living, nature, people, planet, plant, planting, protect, protection, responsibility, save, seed, seedling, soil, spring, sunshine, sustainability, sustainable, tree, water, world,