Answer:
A nuclear power plant accident has permanently polluted part of Ukraine.
Explanation:
- The nuclear power plant accident being referred to here is popularly known as the 'Chernobyl disaster'.
- The disaster is named after the place that it happened on.
- Since the accident, the entire site has become highly radioactive and uninhabitable.
- According to scientists, the site is going to remain uninhabitable for another 20,000 years.
- The cleaning up of the side of radioactive materials is scheduled to happen in 2065.
