Ключевые слова: agriculture, background, bio, blue, care, clean, concept, conservation, day, earth, eco, ecology, ecosystem, energy, environmental, family, friendly, global, globe, grass, green, growth, hold, holding, life, map, natural, nature, organic, peace, planet, plant, protect, protection, recycle, recycling, responsibility, save, soil, sphere, sunlight, sustainable, symbol, tree,