Coal can be defined as flammable sedimentary rocks which established when organic materials decay under the higher pressure and warm for an incredible number of years. The final form which is of black or darkish rocks (Coal) consisting of Carbon as well as hydrogen, sulfur, fresh air, and nitrogen, is the leading electrical resource generation on the globe.

The Coal is greatly taken under usage as strong energy and the coal is excavated, transferred, washed, and pulverized, then burnt off in a large heater. The water which is warmed by the burning process of the coal energy transforms into energy of steam that greatly rotates turbines, which turn turbines that surely, produce power.

Furthermore, the countries where there are great sources of the Coal the miners sometimes take its usage a questionable procedure known as “mountain top removal,” that is some concept of regarding the damaging to hill environments as it appears to be. What’s more, water used in the Coal improving procedure gathers contaminants like lead and arsenic that could pollute ground water and close by water present on the surface. The production of Coal in the main countries it has benefits are most economical and governmental.

List of Top Ten Coal Reserves Countries of World

No.	Name of Country	lignite and Sub Bituminous	bituminous and Anthracite
1.	USA	135,305	111,338
2.	Russia	107,922	49,088
3.	China	52,300	62,200
4.	India	2,360	90,085
5.	Australia	39,900	38,600
6.	South Africa	0	48,750
7.	Ukraine	17,879	16,274
8.	Kazakhstan	3,128	28,151
9.	Poland	0	14,000
10.	Brazil	10,113	0