The clock uses the imagery of a countdown to midnight to convey the urgency of threats such as nuclear war, climate change, biological risks, and disruptive technologies. Each year, the Bulletin's ...

the clock’s countdown referred to an exchange of nuclear weapons, which would have large-scale consequences for humanity and the planet. Today the threat from nuclear weapons remains, but another ...

It is a bright Saturday, the crisp air of late February stubbornly holding onto winter’s cold. Before me, Union Square ...

Picture: Instagram The clock is counting down to 2030 because that’s when the Intergovernmental Panel on Climate Change said that emissions need to be reduced enough to cap global warming at 1.5C.