Final answer:
The management of radioactive waste from nuclear power plants typically involves storing it on-site in geologically stable locations, with no current permanent disposal solution available in the United States.
Step-by-step explanation:
The currently held idea of what to do with radioactive waste from nuclear power plants involves storing the waste in a geologically stable site away from human habitation. Rather than storing waste in the ocean or sending it into space, the focus is on containing the waste securely on land to prevent environmental contamination. High-level radioactive waste, such as spent nuclear reactor fuel, is initially stored in deep pools of water or in special outdoor concrete or steel containers with air cooling. However, there is currently no permanent disposal facility for high-level nuclear waste in the United States, making the long-term storage of radioactive waste a significant environmental concern.