Talk about solar eneygy. ( advantage and disadvantage) Khoảng 6 7 dòng vừa đủ ý không quá dài

Energy is very important for our life, but they still have disadvantages and also advantages. For me, I like solar energy best. Firstly it is very clean, safe and protect environment.Secondly, it can solve the problem of the energy shortage. Thirdly, solar energy is renewable and plentiful. Solar energy also be used to heating in the winter. Moreover , it can reduce electricity bills and cooling, protect roof infrastructure. However, this alternative energy is too expensive and unstable.Also, it is a bit pollution. In fact, we see that solar energy have more advantages than disadvantages, so we must use it effictively.