Today, almost everything is invented by scientists such as electrical appliances, solar energy .... But speaking of precious is impossible to forget the energy it helps, serving human life 1 It was made from water, gas, the amount of the sun. Before that, there were more advanced kerosene lamps, electric lights, floodlights ... In short, energy was a very precious thing. I would like the best answer! Thank you 

As you know, today the environment was effected badly from our lives. The carbon dioxide and nitrogen oxide destroy our air, Earth's ozone layer. How are we going to solve this? The answer is here: we can use water, sunlight or wind energy, they are environment-friendly and a rich resource of energy! Then, our lives will be protected!