Pakistan, April 13 -- When it comes to inventions in human history, the generation of electricity has no match. In my opinion, it can be categorised among the most crucial inventions that have played a vital role in the past and are still playing a central role today. Be it commencing economic development or saving human lives in hospitals, we rely on electricity day in and day out. However, the sources we use to generate electricity matter a lot. If we rely on fossil fuels (coal, oil and gas) to generate electricity, we will simultaneously emit greenhouse gases that would eventually accumulate in our atmosphere, act as a blanket to trap the sun's heat and warm our planet. Consequently, our global average temperature would increase, which...