There are various reasons for actors to work with green roofs. One major factor is of course good will – to work with environmental and climate improvement measures. But there are also economic and legal factors. Green roofs can help fulfill various environmental requirements such as Sweden’s environmental goals, the global environmental goals and requirements for green space factor. Green roofs can also contribute with ecosystem services that, in addition to social benefits, can create attractiveness for customers, which is a major part of real estate economics.