> A much better plan to avoid extinction is multifold I don't think going extinct from the effects of any human capability is much of a concern. Humans have l

> A much better plan to avoid extinction is multifold I don't think going extinct from the effects of any human capability is much of a concern. Humans have lived in stone age for tens of thousands of years. It's more that we wouldn't have nice things like houses, cars, and computers.