Actual Carbon Emissions vs. IPCC Scenarios - how far away is safety?

[AverageJoe90]

15. What honestly makes you think we can't?

You really oughta give our fellows a little more credit, cprise. I have, from time to time, brought up the Toba eruption as an example. Why? Because, the effects of said event where not only sudden and without warning, but also more acute. It may be true that only about 100,000 of our ancestors survived, out of millions, mainly because of the aforementioned factors, and others, but we did survive. Even the worst case scenario of global warming wouldn't be at all likely to reduce our numbers to one half of a percent of what they once were, even half a millenium from now, let alone just a century.

It is usually assumed by people examining the worst-case scenarios that industrial civilization will be hobbled or obliterated.

Which may happen, especially the former.

That means we'd have to get through 50,000 years or more with low tech or no tech.

Now that's a real stretch. 50,000? C'mon man, even Mad Max can't top that.

Anyone ruling-out human extinction would have to do so on the assumption that industrial civilization stays intact even during the worst climate repercussions.

No, and in fact, anyone who thinks that human extinction is even close to inevitable would have to operate on a number of outlandish assumptions, including the belief that humans are unable to adapt to change when needed. If this was even partly true, then none of us might be here today.

I do hate to say this, but your opinions as expressed here are kinda similar to operating on faith, just in the opposite direction.

I have no doubt that humanity will face a rocky road in the decades and centuries to come, but I do try to be realistic.