Green.Building.Solutions. (GBS) Summer University specializes in providing first-hand ecological knowledge and engineering expertise bundled in a 3-week program in the capital of green building: Vienna. The UNESCO-awarded program is geared towards international students of architecture and engineering sciences, who are eager to learn in a multicultural and interdisciplinary environment from local experts in the respective fields. The not-for-profit program is organized by a consortium of Austrian universities to increase knowledge in sustainable construction to counteract climate change.