Solar power also means no more grid systems (Whitburn, no date). Solar power can be generated using solar panels that are attached to the roofs of houses, there is no need to be connected to electrical grids to receive power. This feature of solar power is particularly useful to the people living in isolated areas far away from the electrical grid since it means they no longer have to face the problem of "frequent power-cuts," and expensive electricity, (Whitburn, no date). Indeed, this "transmission infrastructure," is the "major culprit behind skyrocketing electricity prices"; also, reliance on off-grid solar power means that the 7 - 10% line loss that occurs as power is being transmitted along the power lines, can be avoided, (Land use: Solar Power Vs. Coal-Fired Electricity Generation, 2010). Energy produced by coal, however, does require the support of grid systems to transfer it to people. How do people working in the coal mining and solar power sectors fare? Mining is considered one of the most hazardous jobs in the world ("Coal", page 8), and miners face much more dangers to their lives as compared to those working within the solar power sector. Shah notices that coal mining has lead to the deaths of thousands of miners every year (Shah, 2011), ranging from in China to America to New Zealand. These deaths are caused by mine explosions or even mine collapses ("Coal," page 8). Sometimes, fires can suddenly start in the mines when a particular level of "heat, pressure, and ventilation" are reached ("Coal," page 7). It is clear that a miner's life is in danger while in the mines. Apart from this immediate danger, miners can also suffer from various respiratory issues as a result of the poor ventilation deep down in the mines. For instance, "Black lung," is a respiratory disease common in miners; the dust that flies off when men are digging for coal collects up in the air because of poor ventilation and so on becomes absorbed into the lungs of the miners ("Coal," page 8).
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