Ключевые слова: agriculture, background, bud, care, concept, conservation, day, development, dirt, earth, eco, ecology, ecosystem, energy, environment, environmental, forest, freedom, friendly, gardening, global, green, grow, growing, growth, hand, leaf, love, nature, oak, oak tree, outdoors, people, plant, protect, protection, responsibility, save, seed, seedling, small, soil, spring, sprout, summer, sun, sustainable, tree, woman, young,