The Doomsday Clock has crept the closest it is ever been as the Bulletin of the Atomic Scientists set the minute hand to 90 seconds to midnight. Paul Gregoire reports.
Zaporizhzhia Nuclear Power Plant
Ukraine has an aging fleet of 15 reactors — two-thirds of which have now exceeded, or are at, their design life use-by date. This is fuelling concern in the current war, writes Dave Sweeney.