“In 2017, world leaders failed to respond effectively to the looming threats of nuclear war and climate change, making the world security situation more dangero

“In 2017, world leaders failed to respond effectively to the looming threats of nuclear war and climate change, making the world security situation more dangerous than it was a year ago — and as dangerous as it has been since World War II,” the bulletin’s science and security board, which oversees the clock, said in a statement. Wait -- climate change is now factored in? That seems like moving the goalposts. The "doomsday clock" has always been about the threat of nuclear annihilation. Two minutes to midnight is a great Iron Maiden song though.