Ключевые слова: activist, background, bag, bottle, care, caucasian, charity, clean, cleaning, collecting, concept, conservation, container, earth, eco, ecological, ecology, environment, environmental, forest, garbage, green, human, litter, man, nature, outdoor, outdoors, park, people, person, picking, planet, plastic, pollution, problem, protection, recycle, recycling, responsibility, rubbish, save, social, spring, trash, voluntary, volunteer, volunteering, waste, young,