Ключевые слова: agriculture, background, bio, business, care, concept, conservation, couple, day, development, dirtied, earth, echo, ecological, ecology, ecosystem, energy, environment, environmental, forest, friendly, future, gardening, global, green, growth, hands, leaf, life, living room, man, natural, nature, nursery, people, planet, plant, planting, preserve, progress, protect, protection, responsibility, social, sustainability, sustainable, tree, union, woman,