Ключевые слова: agriculture, background, bio, biology, care, concept, conservation, day, development, dirtied, earth, eco, ecological, ecology, ecosystem, energy, environment, environmental, forest, friendly, gardening, global, green, grow, growing, growth, hand, holding, hope, leaf, life, nature, people, planet, plant, protect, protection, responsibility, save, seed, seedling, social, soil, spring, sustainability, sustainable, tree, world, young,