In a world grappling with the pressing need to address climate change, the German Bundestag offers an interesting case study in how to reduce energy consumption and minimize environmental impact. The measures implemented by the Bundestag since July 2022 encompass building operations and vehicle management, reflecting the institution’s commitment to sustainability. The Bundestag has made significant changes to the temperature settings within its buildings. These adjustments include: Reducing room temperatures by two degrees when heating is required, lowering the standard room temperature from 22°C to 20°C. Raising room temperatures by two degrees in air-conditioned offices when the air conditioning is