Ключевые слова: achievement, advantage, alternative, business, citizenship, competition, competitive, concept, conceptual, corporate, development, earth, ecology, economy, ecosystem, electricity, energy, environment, filament, future, green, growth, idea, initiative, light, lightbulb, management, metaphor, nature, opportunity, planet, policy, recycle, renewable, resources, respect, responsibility, social, solution, success, sustainability, sustainable, uniqueness, vision,