How much urgency?

Are the polar ice caps melting a pressing matter?

How urgent is the inversion problem?

Urgency, like most things, is a matter of convenience.

Sure, we care about the polar ice caps or clean air but not enough to go from two or three cars to one. Because thats not convenient enough.

Human beings are willing to trade a lot for convenience. So if you are going to enroll someone in your movement, you stand a much better chance of success by making it convenient.