Mental Models
One of the things I find important in relation to a 21st century economics education is systems thinking. But when discussing systems thinking with interested others I often find that it is such a huge concept.
Replanting a Forest
Recently, I had an interesting discussion with a teacher in higher education. He had a classroom discussion about deforestation and his students were rather blasé about the topic. Their standpoint was that if you cut down a tree, you simply replant it elsewhere, so what is the problem. I mean, you can compensate your aviation kilometers too by planting trees, or not?