The Institut Bauen und Umwelt e.V. (IBU) primarily focuses on creating, verifying, and publishing Environmental Product Declarations (EPDs) for construction products. The core activity of the IBU is to support companies in the construction products industry in creating EPDs to promote sustainable building. This includes coordinating EPD verifications, providing an EPD platform, publishing EPDs, and conducting network activities and communication with sustainability experts, policymakers, and standardization bodies.