"Education systems, teachers, school districts all over the world are going crazy about problem-based learning - nothing like a good problem to solve. But they are looking at the wrong bit of it. The thing we're neglecting is to find a generation of problem finders."

The above quote comes early in Ewan McIntosh's talk at TEDxLondon. This really connects with my goal to foster sustainable learning. Here is the entire talk (it is well worth the eight minutes).