Question: Which of the following is NOT true concerning using Nuclear power as an energy resource? Question options: The mining and refining of uranium and the energy demands of building a nuclear power plant contribute to the environmental challenges of using nuclear power. Generating electricity from nuclear power does not emit carbon dioxide, but radioactive wastes remain a threat to human health for thousands of years. Nuclear power is considered a renewable source of energy because it does not have any environmental concerns, and there is plenty of uranium available. Nuclear power provides about 9-10% of electricity in the United States.