Ключевые слова: activist, banner, campaign, change, child, city, climate, crisis, crowd, danger, demonstration, destruction, earth, eco, ecology, environment, fight, future, global, green, impact, manifestation, march, mask, mouth, outdoors, outside, people, placard, planet, politics, pollution, poster, protest, protester, public, selfie, sign, smartphone, society, street, strike, student, sustainability, taking, unite, urban, warming, young, youth,