Ключевые слова: abstract, alternative, background, banner, big, biology, concept, conservation, creative, day, design, digital, earth, eco, ecological, ecology, ecosystem, element, energy, environment, family, fossil, graphic, green, icon, icons, illustration, landscape, loudspeaker, natural, nature, people, plant, power, protect, protection, recycle, renewable, solar, source, spread, spreading, style, team, text, title, various, word, working,