Maybe British IAB readers can help here. The Daily Mail used to be kind of a legitimate publication at one time, correct? Even Wikipedia sort of agrees. While Wikipedia has issued a ban on any usage of The Daily Mail from here on out, some older Daily Mail articles might be permissible.
Wikipedia editors go on to say that the British tabloid is "generally unreliable" and it has a history of "poor fact checking, sensationalism and flat-out fabrication."
So it looks like climate change deniers can't use The Mail to publish their questionable-at-best claims anymore, like they did in this recent article which claimed that world leaders were duped with manipulated global warming data what IAB pointed out.