A state senator says he wants answers on why uranium leaked through a hole in the floor of a Richland County nuclear plant with a history of troubles and groundwater contamination. Thestate.com

The Tokyo Electric Power Company, better known as TEPCO, announced this week that it intends to pursue the development of up to 6 to 7 gigawatts (GW) worth of renewable energy worth tens of billions of dollars in a move away from its traditional reliance on nuclear energy. Cleantechnica.com

While the White House was mum on what transpired in Helsinki between Presidents Donald Trump and Vladimir Putin, Russian ambassador to the United States Anatoly Antonov announced that the two had made important verbal agreements on arms control and other matters. Trump has also recently tweeted that nuclear proliferation was among the issues discussed. Denverpost.com

There are a lot of potential concerns that come with working with nuclear materials; protections for workers, the public, for the environment. But what about protecting the actual materials themselves? That’s nuclear security which is “the security of nuclear materials and the facilities that house them.”  Turnto23.com