Nuclear war. Only a small part of the nuclear weapons available today can destroy all humanity. This will lead to city fires where smoke will rise to the stratosphere and prevent sunlight. As a result, we will face crop shortage for years. According to scientists, the so -called nuclear winter will last thousands of years.
Biological weapons. If terrorists learn to create a dangerous pathogen, it can lead to the destruction of humanity.
Uncontrolled artificial intelligence. According to experts, after the emergence of super clever artificial intelligence, the probability of people will not survive between 10 %and 90 %. If artificial intelligence becomes smarter than us, it can begin to move on its own.
Climate change. It will probably not bring the end of the world, but it will increase other risks further. For example, global warming will cause food scarcity and millions of people will become climate refugees. This can lead to conflicts between countries and then nuclear war.
Source: Ferra

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