Bhaskar Sur has been in the thick of popular science and rights movements since his student days. He has contributed both in English and Bengali to various journals on the social role of science, the necessity of a scientific outlook and social change.
He is the editor of Bivartan, a journal dedicated to critical enquiry and environmental security. His publications include The Poet as a Crusader and Radical Essays (2012) and The Unvisited Land (2013). He is closely associated with the Indian Radical Humanist Association and PUCL.