Ключевые слова: abstract, activist, background, cartoon, change, climate, conceptual, crisis, danger, design, disaster, earth, ecology, effect, energy, environment, environmental, factory, flat, global, globe, graphic, green, greenhouse, hot, icon, illustration, isolated, map, natural, nature, ozone, planet, plant, pollution, protection, protest, recycle, save, sign, solar, stop, sun, symbol, temperature, thermometer, warm, weather, world,