China has made significant progress in tackling Beijing's severe air pollution through a multi-pronged "war on pollution, " focusing on shutting polluting factories, transitioning from coal to gas, enforcing strict vehicle emission standards, promoting electric public transport, and investing heavily in environmental control, resulting in substantial cuts in fine particulate matter (PM2.5) and cleaner skies, though it remains a long-term challenge. Key Strategies & Actions: Industrial Control: S