Ключевые слова: abstract, alternative, architecture, bio, building, business, concept, conceptual, conservation, design, drop, eco, ecofriendly, ecologic, ecological, ecology, economize, efficiency, efficient, energy, environment, environmental, estate, fresh, friendly, grass, green, hand, holding, home, house, icon, leaf, natural, nature, outdoor, power, property, renewable, reprocessing, responsibility, reusable, saving, sign, sustainability, sustainable, symbol, technology,