Development of the nuclear energy producing as a main factor of preserving the ecological balance on the Earth

This paper considers in detail one of the sustainable development components - energy. lt is power availability that determines living standards (life quality) and capability to influence the environment in a proper manner. Today, people spend energy not only to meet their needs but more and more to compensate negative consequences of human activities (including reprocessing of wastes). The paper considers in detail advantages and disadvantages of different types of energy, including alternative ones, and analyzes prospects of their development in the XXl century. In the paper special attention is given to different types of atomic energy, including both conventional methods of atomic energy production and alternative ones, such as deuterium energy. (authors)