Ключевые слова: abstract, alternative, background, bulb, concept, conservation, copy, creative, creativity, design, dirtied, discovery, drawing, earth, eco, ecological, ecology, efficiency, electricity, energy, environment, environmental, environmentally, global, graphic, green, grow, growth, hand, health, icon, idea, innovation, invention, lamp, light, nature, plant, protection, renewable, resource, reusing, save, science, space, sustainability, sustainable, technology, tree, warming,