This article describes how the Global Challenge allows high school students to do something for the environment while winning an award that will help them financially through college. The Global Challenge is an online competition for high school students across the world. Students from other nations can pair up with students in the U.S. and together they can become an International Team. Through e-mail exchanges and Skype (a free voice and file sharing application for synchronous meetings) conversations, participating students get to work on socially significant issues, such as global warming. The Global Challenge is funded in part by the National Science Foundation ITEST (Information Technology Experiences for Students and Teachers) Program. This article provides several tips on how teachers can utilize the learning opportunities offered by the Global Challenge.