Ключевые слова: activist, altruism, assistance, bag, bottle, campus, clean, cleaning, climate change, collection, community, contamination, cooperation, dirt, environment, environmental conservation, environmentalist, females, forest, garbage, global, glove, group of people, hand, improvement, initiative, leaf, lifestyles, men, nature, outdoors, people, plastic, plastic bag, pollution, public park, recycling, responsibility, service, social issues, springtime, summer, support, teamwork, volunteer, working, young adult,