On Dave Farber's Interesting People list, Brad Templeton on why a market for pollution credits, and requiring everyone to pay for the pollution they create (or offset it), makes sense:
"From my viewpoint, nobody has any right to pollute my environment, nor I to pollute yours. Once you accept the premise that CO2 will destroy the world's climate, it applies.
"Our rights are in fact equal in this case. They are all zero.
"However, we could never build a society like the one we appear to want using that regime..."