Among the environmentally concerned, playing fast and loose with the actualité is seen as a tactic that delivers good results quickly and it's easy to see why: environmental correspondents are almost to a man (or woman) signed up members of the green movement and can be relied upon to repeat even the grossest misrepresentations.

As a good example of truth-telling among the green fraternity, take a look at the column written by Catherine Porter in the Toronto Star, in which she describes a "run-in" her nine-year-old daughter had with sceptic writer Ezra Levant. Then take a look at Levant's video response:

Unbelievable.