Ключевые слова: abstract, background, banner, brochure, calligraphy, card, concept, design, doodle, earth, earth day, eco, ecology, environment, environmental conservation, garbage, global, graphic, green, handwriting, handwritten, icon, icon symbol, illustration, label, leaf, message, nature, organic, outline, planet, planet earth, plant, pollution, poster, protection, quote, recycling, reduce, reusing, save, sign, sketch, social issues, square composition, sustainability, sustainable resources, symbol, text,