Long story short, warming can actually result in eventual cooling.
The more immediate concern is sea level rise. What happens when a couple of billion Chinamen are looking for a new home - and the like.
Nim you're doing a bit of fear mongering. The UN says sea levels might rise something like 1 or 2 feet. Most of China is well above sea level. And there aren't a couple billion Chinamen in all of China let alone in low areas that might be affected by a 2' rise.
No, no. The UN projections are based on current melt rates. They do not account for the possible lose of a major ice sheet. If we lose the Greenland ice sheet or the Lawance ice shelf sea levels will increrase by over 21 feet, if we lose them both sea levels will increase by over 42 feet. I'm not saying we are going to - but the sub glacial water flows beneath both make it an mmediate concern.
"If we lose the Greenland ice sheet ..." That's speculation. Who said those things are going to happen?
Read a bit about sub glacial water flow under the greenland ice sheet - how those flows affect the ice above them and how they are increasing. Those flows and the changes in them are not a matter of speculation. the ice sheet is already moving at a rate of 1.6 meters an hour into the sea - which is 3 times faster than it was moving just a few years ago.
I would also note that the UN projection doesn't account for any major ice break up - regardless of if we lose an entire shelf or sheet, those shelves and sheets are currently breaking up.
OK several things. First I could say that if the earth suddenly stops spinning the oceans will flood over the land, people, buildings, trees and everthing else will be hurled horizontally at 1000 mph and all life will die. That's scary and everthing I said is true. The zinger is that big if
. But the earth is not going to stop spinning so none of those things will happen. Now who said the greenland ice sheet will fall into the ocean? What are the odds of that happening? 90%? 50%? 10%? 1%?
From what I have been able to find of the current IPCC report the maximum expected sea level rise is about 3 feet. The mean would be more like 16 inches. And this is not going to happen tomorrow. They have 100 years to adapt. China built the great wall thousands of years ago. Its 4000 miles long and they built it without modern construction equipment. Can they build dykes to protect important areas today? Holland has done that for years.
The picture nim paints is China being flooded out. But that will not happen. Most of China is way above sea level. Even Beijing which is near the coast is at 120 feet above sea level.
But if you want to get past the issue of whether warming is anthropogenic or not then come up with a plan which will actually work (Unlike Kyoto) and which won't destroy the economy, or create hardships on people.