Name any three major problems of coal mining industry.

Three major problems of coal mining industry are:

1. Destruction of Forest — Digging of Coal may destroy forest areas that serve as wildlife habitat. It affects the ecosystem and biodiversity.
2. Need of extensive transportation — Transportation requires huge infrastructure. Building transportation facilities destroys the landscape and increase pollution due to emissions of various vehicles.
3. Impact on miners' health — Underground mining is prone to cave-ins and explosions. The health of the people living close to the mines is at risk. Constant exposure to harmful gases can lead to respiratory diseases, lung cancer, black lung due to coal dust and congestive heart failure.