Russian city hiding chilling Cold War secret from world

 https://www.9news.com.au/world/ozersk-city-40-secret-russian-city-cold-war-graveyard-of-the-earth/9644dcbb-e94f-44c6-b69e-4e3e4ca96455

Very sad and disturbing to say the least. It all comes down to money and power. Nuclear power is one of the supposedly “green “ ways to generate electricity; hmmm glowing in the dark green. I am not a fan of that, but what are 100% safe ways to generate electricity for a nation or the planet?