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Crash Course: The Deep Future

Crash Course: The Deep Future

What do the near future, distant future, and the really, really distant future have in store for us? The Greens explore extinction, colonization, and natural disaster dilemmas in this Crash Course Big History video.

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Think about the following questions as you watch the video


  1. What are the four futures that Hank Green talks about and what do each of them mean?
  2. What are the two great revolutions that John Green proposes as part of making it through the twenty-first century if human complexity continues to rise?
  3. What might the next 250,000 years bring?
  4. What are some possibilities about what could happen to our planet in a few million years?
  5. What do we anticipate happening in the next one billion years based on current knowledge?
  6. What might happen in the next 3 to 5 billion years?
  7. What does Hank Green predict will happen in the next 200 billion years?
  8. What is predicted to happen in the next 100 trillion years?
  9. What evidence does John Green use for explaining that life can be considered eternal?