Renewable energy is good source reduce the carbon dioxide that goes into the atmosphere because of the energy you use ,it is useful to us it can maybe save our environment due to global warming and climate change. it will also improving our energy security.
First of all, this is independence from other countries that abuse their resources in the market. But at the expense of saving the planet I think it's too late to talk. Mankind has long started the irretrievable process of destroying the planet, and only the question remained, sooner or later.