G. Gordon Liddy's daughter repeated a standard Denier line in our debate: Humans are very adaptable -- we've adapted to climate changes in the past and will do so in the future. I think Hurricane Katrina gives the lie to that myth. No, I'm not saying humans are not adaptable. Nor am I saying global warming caused Hurricane Katrina, although warming probably did make it more intense. But on the two-year anniversary of Katrina, I'm saying Katrina showed the limitations of adaptation as a response to climate change, for several reasons. First, the citizens of New Orleans "adapted" to Hurricane …
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