This intriguing article by Joseph Nevins argues that "flying is the single most ecologically costly act of individual consumption" and asks the question: "Can we kick the habit, or at least cut back?"

http://www.alternet.org/story/148675/flying_is_one_of_the_worst_things_you_can_do_for_the_environment_--_so_why_do_so_many_well-intentioned_folks_do_it

Kathleen McDonnell