Artificial Intelligence
READ MORE: Living forever as robot? Prototype lets humans upload their mind into mechanized ‘heads’The creation of human-level intelligence can result in the possibility that this intelligence will be driven to construct a world without humans. There is also a possibility of artificial intelligence waging war or creating “whole brain emulations” that would give machines human minds.
On the other hand, the report also says it is probable that such intelligence could counter other apocalyptic causes presented in the study. Probability: 0-10%