Final answer:
The false statement about nuclear energy is that storing nuclear waste is easy and completely safe for the environment.
Step-by-step explanation:
The statement that is not true of nuclear energy is: Storing nuclear waste is easy, making it completely safe for the environment. In reality, the management and storage of nuclear waste present significant challenges due to its long-lasting radioactivity and potential environmental impacts. Nuclear waste remains dangerous for thousands of years, requiring careful isolation from the environment and living organisms.