The latest issue of Råd & Rön contains a number of evaluations of what is the environmentally most sound choices for various consumer products. Interesting news is that life cycle analysis indicates that cardboard packaging is way superior to either glass or metal. So crushed tomatoes in cardboard it will be in the future.
They also compare flying as compared to taking the train, but it seems the journalist wasn't even aware of the travel planner at DB, but complained mightily about how difficult it is to find tickets abroad. I've sent a letter to the editor, outlining my experiences with booking train tickets. (Basically, SJ International staff are Good.)
There is a discussion about whether ecological food is good from an environmental perspective—is it possible to feed the Earth's population on ecologically grown food? Not enough numbers to convince either way.