Nuclear energy produces electricity through a process called fission. In 1956, the first commercial nuclear power plant opened in England. In the United States, as of 2008, there were 104nuclear reactors producing about 20 percent of the country's electricity needs.Nuclear energy doesn't produce greenhouse gases , and no pollution is released into the air. Compared to coal or other fossil fuels, the emissions from nuclear power plants are very clean. Some people say we should build more power plants to reduce greenhouse gases pollution. However, the waste from nuclear energy stays dangerously radioactive for thousands of years.
Other than fission, there is another kind of nuclear energy is fusion. This is the energy that powers the sun and stars. However, scientists cannot yet control the process on earth. If scientists could learn how to create and control fusion, it could become an energy source that is clean and would never run out.
bibliography:nuclear energy by Jim Ollhoff
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