Will Humans survive the next major catastrophic event.

I agree with LAM in that the effects of global warming will be gradual. But, methinks we will see1. The spread of tropical diseases northward into what were once temperate climatic zones.
2. The severe reduction if not disappearance of polar ice caps and the extinction of many artic species of flora and fauna.
3. Real estate prices on Greenland will skyrocket. It will once again become "green" and extensively habitable.
4. Same goes for Siberia and the Northwest Territories in Canada.
5. The construction of extensive dike systems to protect coastal cities such as those in use in New Orleans.
6. Global wet t-shirt contests in real time in an effort to stay cool. ************************************As far as the Yellowstone Caldera goes...1. A run on "I survived the Yellowstone Caldera Extinction Event" t-shirts.2. Congress will need to appropriate additional money for road repair in Yellowstone National Park, with a few extra dollars to replace the states of Wyoming, Montana and Idaho. They will also declare the Yellowstone Caldera the new National Land Fill.3. The U.S. Border Patrol will be unable to stem the flood of Americans running into Mexico. President Fox of Mexico will declare Americans "illegal aliens" and die laughing as he complains to Bush.4. Al Qadea will take credit for the blast.(:raig

As a slightly more serious reply to Jar, as opposed to my last one, I don't think an eruption of the Yellowstone Caldera will be the be-all-to-end-all.Most major volcanic eruptions announce themselves weeks or months in advance. I can't see anything as cataclysmic as the Caldera blowing it's lid, just sneaking up on everyone. Having said that, then I see major, but not mortal, economic, social and environmental displacements. Unlike a killer asteroid that happens all at once, the ash fallout from the Caldera will continue for days, weeks or months. But not in such volumes as to kill everything downwind. Anything with legs or wings will endeavor to get out of the way. Lava flows will follow valley courses Westward(?) to the ocean. And when all is said and done, you will be left with...Lavastone National Park.(:raig

Western civilization will not collapse until Great Britain has won Wimbledon. Then you may safely retreat to some musty castle ruin and lay down and die a happy man. (:raig

Here's the U.S. Geological Survey siteUSGS

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(:raig

According to the USGS web site, major eruptions occured in or around the Caldera 2 million, 1.2 million and 600 thousand years ago. The last one threw out 240 cubic MILES of ash and debris. But I'm not aware of any major extinction events associated with those eruptions. Some respiratory problems, perhaps?Anyone? Anyone?(:raig

From the web site about Toba"Bill Rose and Craig Chesner of Michigan Technological University combined all the information on the extent of the Toba volcanic material to deduce that the total amount of erupted material was about 2,800 km3. About 800 km3 was ignimbrite that travelled swiftly over the ground away from the volcano destroying everything in its path, and the remaining 2,000 km3 fell as ash, with the wind blowing most of it to the west. Such a huge eruption probably lasted nearly two weeks. Very few plants, animals or humans around this part of Indonesia would have survived."The 2,000km3 of ash converts to 479 cubic miles. That compares to 240 cubic miles from the last Yellowstone Caldera eruption stated in the USGS website.(:raig