Take an online course in solar, green building, microgrid, HVAC and more.
439,415 Student Assignments Completed
Our online classroom & course-building software has set the standard for online training in clean energy and green building. Thousands of students and instructors alike enjoy our simple online interface, handy course notifications, and excellent customer support.Browse Courses
We're on a mission to provide professionals with the knowledge and real-world skills they need to continue making a positive change in the world. We work with industry experts to develop and teach top-notch curriculum, continuously update our online platform to make learning and teaching convenient and intuitive, and forge long-lasting relationships with leaders in the clean energy and sustainability spheres.
Our community is a blend of over 49,000 engineers, installers, contractors, policy makers and changemakers. The experts who create our courses and students who enroll work hard every day to change the world. Enroll in one of our free courses today.