The Naturwissenschaftlicher Verein zu Bremen (NWV Bremen), established in 1864, is a prominent association dedicated to the study and promotion of natural sciences. Rooted in the principles of citizen science, NWV Bremen conducts research across various working groups, offering a platform for both professional and amateur naturalists. The organization is known for its rich array of public events, including lectures and excursions that connect the community with nature, particularly during the winter and summer months.

NWV Bremen also produces scientific publications, such as the "Abhandlungen des Naturwissenschaftlichen Vereins zu Bremen," and collaborates with local institutions like the University of Bremen and the Overseas Museum. Members and supporters are welcomed, with membership starting at just 10 euros per year. The association addresses contemporary environmental issues, including climate change, through innovative exhibitions and discussions, providing engaging platforms like the NWV Ocean Chat. With an emphasis on education and community involvement, NWV Bremen inspires individuals to explore and conserve the natural world.