Today in GOP Climate Denial …

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Denying climate change is de rigueur among members of the House Republican caucus. Rarely, though, do you see elected officials engaging in public debates on the science with a scientific organization. But that was exactly what has transpired as Rep. Dana Rohrabacher (R-Calif.) has taken on the Union of Concerned Scientists in a Twitter war over climate change.

Not that it’s particularly surprising. This is a guy who has argued in a congressional hearing that global warming might have been caused by dinosaur farts.

Here’s the full exchange:

.@danarohrabacher calls #climate change “natural.” There are multiple lines of evidence human activity drives it http://goo.gl/WZsdq #hcsst

@UCSUSA Guess ancient climate cycles, like current one on Mars,which mirrors changes on earth, not product of sun but of human activity

.@danarohrabacher Human warming=fact http://goo.gl/TEAhMMars warming=myth http://goo.gl/jvBD3 Sun outputs don’t=warminghttp://goo.gl/LC0TY

@UCSUSA your answer deceptive: talks Mars warming. Issue is Earth and Mars icecaps shrinking at same time. Coincidence or Solar impact?

@danarohrabacher That’s a red herring about the Red Planethttp://goo.gl/GSq6g Burying your head in the Martian sands puts us all at risk

@UCSUSA U ignore issue: incredible coincidence or solar? Whose head in sand? Read e-mails, U trust your source. Warming has become change

@danarohrabacher You don’t want to understand. Denier talking points aren’t science. Skepticalscience.com covers all this.

@danarohrabacher CA-46 is preparing for climate change. Long Beach sees water supply impact.http://goo.gl/rQQE1 Denial doesn’t help.

Here’s a quick run down of why his arguments—that global warming is caused by the sun, the climate’s changed before, and that Mars is also warming—are all bunk.

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