And another thing about Lomborg: here is Scientific American's response to criticism of their issue that dealt with Lomborg's theses. As for the status of Lomborg's book: Many people claim to have scientific arguments when they do not: creationists, ancient astronaut theorists and the like. Being able to cite the scientific literature does not automatically confer validity on one's argument, nor does it make the argument genuinely scientific.

Here's the original article.