NOTE: This post will stay here until Sunday night. Posts for Saturday and Sunday morning go below this post.
Discussion posts allow you to discuss a topic among yourselves -- exchanging views, learning and teaching. (I only read the comments.)
If you are interested, take a moment to check out (and add to!) the last week's discussion on Sin Taxes. After that, please give us your thoughts on...
Carbon offsets. Should I offset my "carbon footprint" if I fly in an airplane that's 1/2 full (and would have flown without me anyway)?