In my view, the only real threat to humanity comes from sea level rise, and it is miniscule. The threats to polar bears, ecosystems, agriculture, etc., are vastly overstated and, in many cases, non-existent. I have yet to see convincing evidence that the threats are going to be catastrophic. From my perspective, I would welcome 5 to 8 degrees of warming, or even more. Warm weather is much better for one’s health than cold weather (as shown in peer-reviewed research),