She opens her scathing review with the Parable of Horseshit, in which a major problem of the late nineteenth century was solved almost overnight by technological innovation -- essentially, motor cars that wiped out the horsecars.
She closes her review with another reference to horseshit:
To be skeptical of climate models and credulous about things like carbon-eating trees and cloudmaking machinery and hoses that shoot sulfur into the sky is to replace a faith in science with a belief in science fiction. This is the turn that “SuperFreakonomics” takes, even as its authors repeatedly extoll their hard-headedness. All of which goes to show that, while some forms of horseshit are no longer a problem, others will always be with us.