Ключевые слова: america, background, bio, biology, circle, color, concept, conservation, development, donate, earth, ecological, ecology, energy, environment, environmental, glass, globe, grass, green, hand, hands, heart, human, human hand, image, isolated, leaf, life, love, nature, new life, organic, planet, protect, protection, recyclable, recycle, recycling, renewal, rescue, save, sphere, sustainable, terrestrial, transparent, usa, vitality, world, worldmap,