Yes, and so is most of the population apparently. But they are also focused on their own problems; declining health, fixed incomes, cuts to government programs, etc. Hard to get to worked up about a problem that won't occur for 30 years when you're going in for surgery next week.
I keep trying to focus on the fact the process is already starting now and WILL affect them in their lifetimes ... hurricanes, fires, wierd storms, droughts ...