What is happening in the coal industry to make the coal bosses have to change jobs?

Mainly because of environmental protection.

We all know that coal combustion will produce a lot of toxic gases. One of the most serious is carbon monoxide, carbon dioxide, and a lot of dust, will pollute the environment, and the technology in the country and can not be completely burned coal, a lot of coal bosses simply can not do it, will choose to change the business.

To continue to do the coal industry, we must improve ourselves technically, to improve the degree of combustion of their coal, as well as the strength of environmental protection.