It really is hard to know where to begin with this one. But let’s start with: ‘What on earth were they thinking?’

The Heartland Institute, a Chicago-based rightwing thinktank notorious for promoting climate scepticism, has launched quite possibly one of the most ill-judged poster campaigns in the history of ill-judged poster campaigns.

I’ll let its own press release for its upcoming conference explain, as there’s simply no need to finesse it further:

Billboards in Chicago paid for by The Heartland Institute point out that some of the world’s most notorious criminals say they ‘still believe in global warming’ – and ask viewers if they do, too