Ключевые слова: abstract, america, arm, art, bio, care, communication, concept, conservation, day, dirt, earth, earth day, eco, ecology, ecosystem, element, energy, environment, environmental, forest, global, globe, graphic, green, grounds, hand, happy, help, hold, horizontal, idea, light, logotype, map, minimalistic, modern, nature, ocean, planet, pollution, poster, protect, protection, recycle, save, sphere, sunlight, trendy, world,