Returning from the ragged edge — where people become few and trees many — to the urbanscape — where people are many and trees are few — has been a tad jarring. Various good, bad, scary, wonderful, interesting things happen in two months of cruising. I don’t have time even to summarise them right now. [...]

For years I’ve been asked, “Since you wrote Diet for a Small Planet in 1971, have things gotten better or worse?” Hoping I don’t sound glib, my response is always the same: “Both.” As food growers, sellers and eaters, we’re moving in two directions at once. The number of hungry people has soared to nearly [...]