On January 27, 2017, the Bulletin of the Atomic Scientists moved the arms of its doomsday clock to 2.5 minutes to midnight – the closest it has been since 1953. Meanwhile, atmospheric carbon dioxide levels now hover above 400 parts per million.
On January 27, 2017, the Bulletin of the Atomic Scientists moved the arms of its doomsday clock to 2.5 minutes to midnight – the closest it has been since 1953. Meanwhile, atmospheric carbon dioxide levels now hover above 400 parts per million.