> but let's wait a couple of billion years Without intervention, Earth will become uninhabitable to almost all life in ~500 million years. As the Sun ages, it

> but let's wait a couple of billion years Without intervention, Earth will become uninhabitable to almost all life in ~500 million years. As the Sun ages, it expands; eventually, surface water will have evaporated, leaving a dead husk behind. Long before that, our descendants will likely have found hospitable planets around distant, slow-burning stars, upon which they'll have sown the seeds of Earthly life. > This is a disaster, and we must be deeply ashamed as species for it It is shameful; fossil fuels, ingenuity, and greed probably mixed this situation inevitable. What "Five Whys" would you ask and answer, seeking to understand the path we've trodden to disaster?