Energy is very important for human being and necessary for economic growth. But nowadays society tries to use all of energy option to satisfy the growing demand without considering about effect on the environment. Mostly we use the energy such as coal, oil, gas that all came from burning ancient energy sources fossil fuels by digging it out of the ground. Fossil fuels is environmental hazards cause it make pollution when burnt they give out carbon dioxide, nitrogen monoxide, carbon monoxide etc., a greenhouse gas which is make global warming. Rise in temperature of earth make a polar ice melt causing flooding in areas that are lower than sea level. And the coal mining destroys wide areas of the land and results in ecological imbalance. They also affect human health.