This semester is shaping up to be my heaviest teaching load yet. Teaching these two courses isn't the most difficut thing - I could do a mediocre job, recycle my Economic Botany lectures from last year...but if I did that I would be missing the point of this "postdoc".
The biggest challenge isn't improving the lecture material - that isn't terribly difficult, although it can be time consuming. The problem is "active learning". I have finally figured out what it is - something that had eluded me up until now. Now I just have to figure out how one does it.