Well yes, everything emits something. Solar, wind, bananas; they all emit radiation as well. “Non-emission” is short hand for “non-emission of carbon dioxide” or perhaps more generally “greenhouse gases”.

If you’re concerned about human health, nuclear waste disposal is well studied and so are nuclear reactor safety. In fact, these small reactors are designed to be too small to create any catastrophic event in the astronomically unlikely event of a critical malfunction.

It’s odd to me that we all take planes despite the fact historically many have gone boom, and many a life has been lost. Must be something to do with no other viable alternatives…