He must definitely be a relative of 'the father of lies'

Paying dearly to hear Gore's climate story
After his salutations, Mr Gore got down to business. The ballooning world population and the dizzying pace of technological change had helped turn mankind into an environmental "bull in a china shop", he said.

It's bad enough for him that there are scientists galore who are disproving his global warming-the sky is falling campaign (500 scientists refute global warming dangers), but this proves that he's a liar when it comes to spouting cliches as well.