An insightful lesson for all, including school age children would be to walk through the local supermarket, whether it be Market of Choice or Winco, and have a label on each item explaining how it got from the field/farm to the store.  And what sort of energy and how much energy was used to get it there. 
Then, perhaps for high school age kids, talk about how much each item would be if the cost of that energy doubled, tripled, quadrupled.  What impact would that have on society? Discuss that in class.
I think the folks teaching these kids about energy only focus on a single aspect of it - the negative.  Solutions to issues have to be implementable. "Leave it in the ground" (Merkly's latest catch phrase), how would that impact society?