CLEAN : FILE:Smog hit Beijings focus on coal lost in the haze experts

The video discusses the significant role of coal burning in China's pollution and energy supply, accounting for nearly 69% of its energy. It emphasizes the need for China to adopt renewable energy sources and gradually phase out coal to improve both the environment and the economy. The current overcapacity in industries like steel and glass is also highlighted as a problem, affecting public health and economic stability.

How does the public health situation relate to the environment and economy in China according to the text?

What industries are mentioned as facing problems due to overcapacity?