The main direction of alternative energy is the search and use of alternative (non-traditional) energy sources. Sources of energy – “naturally occurring substances and processes that allow a person to obtain the energy necessary for existence. An alternative source of energy is a renewable resource, it replaces traditional energy sources operating on oil, produced natural gas and coal, which, when burned, emit into the atmosphere carbon dioxide, which contributes to the growth of the greenhouse effect and global warming.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.