Ключевые слова: agriculture, background, bio, blue, business, care, concept, conservation, continent, day, development, earth, eco, ecological, energy, environment, environmental, forest, global, globe, grass, green, ground, grow, growth, hand, hold, idea, international, leaf, life, map, nature, organic, planet, plant, protect, recycling, responsibility, save, seedling, soil, sphere, spring, sustainable, symbol, tree, water, world,