Abstract: Nuclear energy is generated by the process of molecular fission, molecular fusion and molecular decay. Uncontrolled formation of such energy leads to nuclear disasters. These disasters significantly affect the population and its effects are observed for years. Radioactivity leads to cancer, genetic disorders and death in the affected area for decades. A single nuclear accident can cause loss of life, long term illness and destruction of property in a large scale. Most of the commercial nuclear power plants release gaseous and liquid radiological effluents into the environment as a by product of the elements. The planet at present where are living have witnessed three major nuclear accidents have changed the environmental conditions of both biotic and abiotic. The first incidence occurred at    Three Mile Island in 1970. The second accident took place  at  Chernobyl located in Ukraine in the year 1986.The finally, the  Fukushima accident  occurred in Japan due to tsunami in the year  2011 resulting in hydrogen gas explosions and partial meltdowns. The total amount of radioactivity released through this method depends on the nuclear power plants.

The nuclear energy is the direct cause of global warming  and climate change in  many ways. The heat released by the nuclear reactors. Once the energy is  released from uranium , the fuels of the nuclear reactor then it radiates out in to the outer space as long wave radiation  and the rest goes into the air, waterways , glaciers  which intern increases the atmospheric temperature, thus it leads to the reasons for the  Global warming. There are 400 nuclear plants all over the world to generate electric power  all of them are generating considerable amount of nuclear wastes  which increases the earth’s Antarctica  glaciers. Nuclear power is unreliable for fighting global  warming. Scandals, natural disasters and accidents can shut down numerous plants simultaneously. When one of these problems occurs, without sustainable alternative energy sources, fossil fuel plants must kick in which spikes greenhouse gas emissions. For centralized, large systems like nuclear generation, utilities must install a “reserve margin” of extra capacity ready for instant use. For example, in Japan every new nuclear power plant requires additional fossil-fuel-fired capacity. Nuclear power plants and fossil fuel plants come in tandem. If the number of nuclear power plants could be doubled, which is impossible, their total contribution to world energy use would only increase to 12%. Thus, it is untrue to say that nuclear energy is greenhouse friendly.

Key words: Radioactive, greenhouse friendly, Uranium, CFC, Fukushima, Inhalation exposure, Ground-level external exposure and Atmospheric external exposure., etc.

| DOI: 10.17148/IARJSET.2023.10820