Ключевые слова: animal, awareness, biodiversity, biohazard, century, change, chemical, climate, container, danger, dangerous, deforestation, destruction, disaster, diversity, earth, eco, ecology, ecosystem, endangered, endangerment, environment, environmental, extinction, flat, fuel, garbage, gas, global, habitat, hazardous, industrial, life, material, nature, nuclear, planet, plant, pollution, radiation, radioactive, save, substance, technology, toxic, warning, waste, xx,