Ключевые слова: agriculture, background, bio, biology, business, care, clean, concept, conservation, day, development, earth, eco, ecological, ecosystem, energy, environment, environmental, friendly, glass, global, globe, grass, green, growth, hand, hold, human hand, leaf, life, map, nature, organic, peace, people, planet, plant, pollution, protect, recycle, responsibility, save, seedling, social, sphere, sustainability, symbol, tree, water, world,