Though it would be premature to call Istanbul an "eco-city," there are plenty of green discoveries waiting to be made amidst the urban sprawl. I sought out organic markets with friendly farmers, vegetarian restaurants, public-transportation options, parks, running groups, and eco-friendly souvenirs for a PlanetGreen.com "Green City Guide" to my adopted home.
UPDATE: This article is no longer available online. Read my "Green City Guide: Istanbul" as a jpg or download as a pdf.