Ключевые слова: activism, activist, banner, change, city, climate, closet, concept, conservation, crisis, crowd, danger, demonstration, disaster, earth, echo, ecology, effect, environment, environmental, future, global, government, green, group, holding company, i protested, march, millennial, movement, nature, people, planet, plastic, politics, pollution, poster, protection, revolution, save, sign, smog, street, strike, toxic, urban, warming, weather, world, young,