Ключевые слова: abstract, cartoon, celsius, change, character, climate, concept, danger, degree, design, disaster, drawing, earth, eco, ecological, ecology, environment, environmental, face, fahrenheit, fever, global, globe, graphic, green, health, heat, hot, illness, illustration, indicator, nature, planet, pollution, problem, recycle, save, scale, sick, sign, sun, symbol, temperature, thermometer, thermostat, vapor, warm, weather, world,