There are a lot of pictures depicting the future if earth's temperature rises a few degrees. Most of them look something like this:

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The world will overheat, everything will turn into a quagmire of starvation and disease, and billions will die. As one commenter on another blog responded to my position that this was highly unlikely: "go back to Bangladesh."
I really can't see why anyone would believe that is the future facing the world. With today's technology and knowledge, this is much more likely if temperatures increase:

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"But we can't take the risk!"
Why? Suppose earth cooled instead of warmed. Have you lived anywhere that gets really cold. I spent 5 winters in North Dakota. This is what cold looks like for 5 or 6 months:

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This is what cold can do:

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