Ключевые слова: achievement, advance, advantage, business, competition, competitive, concept, conceptual, development, earth, eco, ecofriendly, ecology, economy, ecosystem, energy, environment, future, green, growth, idea, land, leaf, management, metaphor, nature, opportunity, planet, plant, policy, pure, recycle, renewable, resources, respect, solution, success, sustainability, sustainable, uniqueness, unpolluted, vision, writing,