The Coal Industry is a mining industry that cannot be replenished there for it is in this category. Its the 2nd worst of all these with one particular benefit. The down sides are very strong such as: Health risks, Massive emissions, and result in small deaths.

The natural Gas Industry isn't as bad as its coal counterpart. Yet it does not have any particular benefit. The cons are as the following: heavy emissions, heath risks.

Its the worst of non-renewable resources. It has no benefit. Yet its in possession of the down sides such as: hazards for both environment and humanity.    

And Mass amounts of pollution as the same of its two counterparts also usually the consequence of maintenance Deaths.