Some people lie awake at night counting catastrophes. They imagine massive floods and nuclear crises, artificial intelligence gone wrong and horrifying cyclones. The many threats that face the world are enough to drive any person up the wall. If you want to learn a little more about the reasons why your friend might be an anxious ball of nerves, read on for some of the greatest threats to civilization.
Climate Change
Going all the way back to the 1960s, scientists have warned us that greenhouse gas emissions could cause the planet’s climate to alter at an alarming, irreversible rate. The direst scenarios predict mass extinction, refugee crises, poverty, extreme hurricanes, and tornadoes. Presidential candidates have referred to climate change as an “existential threat,” meaning that its effects stand to destroy life on earth as we know it.
Artificial Intelligence
From Elon Musk to Stephen Hawking, more and more prominent voices are sounding the alarm about artificial intelligence. Fears of an AI takeover are widespread and often criticized, but they are not entirely without merit. Imagine a machine that can exponentially grow its intelligence. Would this machine care to share resources with intellectually inferior humans? If you need any help answering that question, just ask yourself to what extent humans have shared resources with the other animals on our planet. Now can you see how AI is one of the greatest threats to civilization?
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The nuclear meltdowns the world has seen thus far, such as Chernobyl and Fukushima, have shaken and concerned people into believing that another similar catastrophe could endanger human life and civilization. Although man-made ecological disasters born from nuclear mishaps make for interesting stories, it is unlikely that they will cause the downfall of civilization. So far, nuclear meltdowns have caused regional health and ecological issues without too much impact on the wider world.
Asteroid Impact
While an asteroid impact is a remote possibility, if it were to happen, worldwide devastation would certainly follow. If an asteroid three miles in diameter were to collide with the earth, it would destroy an area as large as Holland. Even more damaging, though, the collision would set off massive dust clouds, limiting our food supply and leading to political instability. Thankfully, however, we are likely to see an asteroid that size hit earth only once in every 20 million years.
