1. When answering this question, consider discussing the various strategies and technologies that factories and power plants can implement to reduce emissions and pollutants. This includes adopting cleaner technologies, improving efficiency, and following stricter environmental regulations. 2. You can also mention the role of renewable energy sources, such as solar and wind, which can replace traditional fossil fuels and significantly reduce pollution. Additionally, discuss the importance of ongoing monitoring and maintenance to ensure that equipment operates optimally to minimize emissions.