Table of Contents: A letter from the editor . . . A Green House Effect: Nebraska Embraces Eco-Friendly Construction A Crumbly Deal – Tires are piling up in landfills, so researchers are presenting new ways to recycle the rubber A River Runs Through It – U.S. Army Corps of Engineers projects on the Missouri River How Is Ethanol Made? – It takes more than a plant to whip up what fuels our cars and also fills our bellies How Do Cell Phones Work? – Cell phone networks work with towers, phone companies so you can chat as you go What Is Environmental Engineering? – Engineers protect humans through study of health, pollution, environment Marvelous Motors – A University of Nebraska–Lincoln electrical engineering professor and his colleagues have fo...