Karrie Jacobs’ July 2007 column on Mayor Bloomberg’s long-term environmental plan for the city of New York. Infographic by Catalogtree.

Cheeky question-and-answer department titled Text Message, with Petra Blaisse from the July 2007 issue. Cell phone illustration by Tom Madrilejos.

Education column called Learning Curve, with an illustration by Josh Cochran from the February 2007 issue.

Philip Nobel’s critique of Norman Foster’s headquarters for Hearst Publications in New York, from the May 2006 issue.

Philip Nobel’s rant on soaring skyscrapers, despite evidence of their vulnerability and unsustainability. Illustration by Andy Kehoe, from the November 2005 issue.