A Global Catastrophic risk is one with the potential to wreak death and destruction on a Global scale.
It could happen again.
In Global Catastrophic Risks 25 leading experts look at the gravest Risks facing humanity in the 21st century, including asteroid impacts, gamma-ray.
Advances in technology are adding dangers of a new kind.
In human history, wars and plagues have done so on more than one occasion, and misguided ideologies and totalitarian regimes have darkened an entire era or a region.
A Global Catastrophic risk is one with the potential to wreak death and destruction on a Global scale