The idea is gaining momentum, with several Canadian city councils - in North Vancouver, West Vancouver and Port Moody - expressing support for the labels.
"The game plan," Shirkey explains, "is to take these examples of political leadership and send a massive email to share it with thousands of politicians all over the world."
The trouble is those pumps happen to be prime advertising space for gas stations.
Understandably, not all vendors are on board with advertising the armageddon rather than, say chocolate bars or super-cheap bottled water or those thingies that make your car smell awesome.
Besides, we know we're drowning in our fossil fuels already, right?
"It's not like the connection between fossil fuels and carbon isn't already known," Andrew Klukas of the Western Convenience Stores Association, told the Vancouver Sun. "What difference it is going to make having some downer picture on a gas pump? I don't think it's going to be effective. It's just annoying."
Hmmm ... Extinction. Gatorade. Extinction. Gatorade. GATORADE!
Let's all raise a glass to the thirst to come.
Or, of course, we could get behind this idea. If you would like to join the movement to make this a global concern, click here.