'Going Green' is an intercultural blended-learning project and the product of a partnership between the U.S. Embassy in Berlin, the University of Lüneburg, and LIFE e.V. In this project, German and U.S. students explore approaches to sustainable development collaboratively through an e-learning platform (Moodle). Participants navigate through web 2.0 applications and social media, and exchange their findings. They will publish their local initiatives online and contribute them to a concluding student conference. In this workshop, exemplary task-cycles will be presented and major pitfalls and best practice examples from participant courses will be discussed. Hands-on task suggestions and useful web-applications relevant for other classroom topics and EFL settings will be explored. The project is open to all interested teachers and learners; materials can be used online and offline (even if curricula or time-frames do not allow for an extensive project participation). It targets the key topic ‘Nature and Environment’ in the Hesse state curriculum for year 11.