Energy is also called unconventional energy. It refers to the energy that is just being developed or actively researched and to be promoted, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy and nuclear fusion energy. New energy is renewable energy that is systematically developed and utilized on the basis of new technologies. Such as nuclear energy, solar energy, wind energy, biomass energy, geothermal energy, ocean energy, hydrogen energy, etc. All forms of new energy come directly or indirectly from the heat generated by the sun or deep inside the earth. It includes solar energy, wind energy, biomass energy, geothermal energy, nuclear fusion energy, water energy and ocean energy, as well as energy generated by biofuels and hydrogen derived from renewable energy. It can also be said that new energy includes all kinds of renewable energy and nuclear energy. Compared with traditional energy, new energy generally has the characteristics of less pollution and large reserves, which is of great significance for solving the serious environmental pollution problem and resource (especially fossil energy) depletion problem in the world today.
With the progress of technology and the establishment of the concept of sustainable development, the industrial and domestic organic waste, which has been regarded as garbage in the past, has been re recognized, and has been deeply researched, developed and utilized as a matter of energy resource utilization. Therefore, the resource utilization of waste can also be regarded as a form of new energy technology. The energy resources newly developed and utilized by human beings and waiting for further research and development are called new energy. Compared with conventional energy, new energy has different contents in different historical periods and scientific and technological levels. In today's society, new energy usually refers to nuclear energy, solar energy, wind energy, geothermal energy, hydrogen, etc.
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