Ключевые слова: activist, background, bag, blue, bottle, care, city, collect, concept, conservation, dirty, disposal, dump, ecology, environment, field, forest, full, garbage, garden, girl, grass, green, hand, heap, human, junk, lifestyle, litter, littering, mess, metal, nature, outdoor, park, people, person, pick, plastic, pollution, protection, recycle, recycling, refuse, reuse, rubbish, trash, utilize, volunteer, waste,