Bremen Greening Sites Act (Begrünungsortsgesetz Bremen).

This local law applies to the area of the municipality of Bremen, unless overridden by urban development plans or other local building regulations. It mandates the greening of unused land on properties and flat roof areas during the construction of buildings, garages, and their covered driveways, unless otherwise specified by urban planning regulations. The law outlines the components of roof greening, including the substrate, vegetation layer, and plants, as well as drainage and storage elements. It also specifies that parking spaces on flat roofs and areas where photovoltaic systems are required by other regulations must comply with greening standards. Additionally, the law addresses deviations from its provisions, stating that exceptions can be granted under certain conditions in accordance with the Bremen State Building Ordinance. The text consists of 9 Articles.