Ключевые слова: abstract, arm, blue, care, city, concept, conservation, development, drop, droplet, earth, eco, ecology, ecosystem, environment, environmental, female, global, globe, green, hand, harmony, holding, illustration, life, map, motivation, natural, nature, object, organic, palm, paper, people, planet, pollution, protection, recycle, recycling, resource, responsibility, save, social, space, sustainable, symbol, water, white, word, world,