SOL is a vibrant community rooted in solidarity, ecology, and sustainable living, founded in 1979 and independent of political and religious affiliations. With approximately 2,000 active members across Austria, SOL promotes a lifestyle that values environmental consciousness and social responsibility. The organization offers a variety of initiatives, including the SOL magazine, which features current topics such as sustainable investments, and a range of publications like the popular SOL calendar, reflecting themes relevant to humanity and nature.

SOL also conducts educational programs, including online and in-person workshops aimed at fostering awareness about lifestyle changes and political engagement for environmental sustainability. The community engages in numerous projects focusing on energy and environmental issues, providing resources and support for those looking to make a difference. With opportunities to volunteer, participate in symposia, or subscribe to newsletters for the latest insights, SOL invites everyone to join their mission of creating a better, more sustainable future for all.