Riddle Me This, Climate Change Denialists

In the wake of news about how the Heartland Institute serves as a cash and other payoffs conduit between anti-environmental climate change denialists and the rich industrialists that support them, the appearance of this graphic in my mailbox was quite apropos. If anyone can tell me its origin, I’d love to credit its creator:

There’s a chance that the Heartland Institute may even lose its tax-exempt status. That would be loverly.