Ключевые слова: abstract, background, banner, bio, biology, cloud, concept, conservation, creative, earth, eco, ecofriendly, ecological, ecology, ecosystem, energy, environment, environmental, forest, friendly, go, grass, green, growth, idea, illustration, leaf, natural, nature, paper, planet, plant, postcard, poster, protection, rain, recycle, reduce, responsibility, reuse, save, sign, sun, template, think, together, tree, world,