Soo much rich stuff linked from this blog post from @David Ing:

Learning about teaching: systems thinking and sustainability course in Finland

The two that caught my eye were:
http://coevolving.com/aalto/201010-cs0004/201010-cs0004-map05-ecosystems.html

Ecological complexity and scale
http://coevolving.com/aalto/201102-cs0005/201102-cs0005-map04-ecological-complexity.html