Dr Ghosh is a UN Global 500 Laureate for his outstanding achievement to conserve the East Calcutta Wetlands. He is an engineer and a Ph.D. in ecology. He has been the chief of Department of Environment, Government of West Bengal and a member of the National Wetland Committee. An Ashoka Fellow, he was also a member of the Board of Trustees, Worldwide Fund for Nature, India. He is an honorary fellow of the National Institute of Science and Technology and Development Studies. His activities for the last four decades have essentially been towards merging the theory and practice of sustainable development aimed at subaltern well-being. At present he is the Regional Chair for South-Asia, Commission on Ecosystem Management, IUCN (International Union for Conservation of Nature).
Dr Ghosh’s community-based designs for wastewater treatment and reuse have been adopted by the Government of India under the Ganga Action Plan and by the World Bank for Water Management Technology. He followed it up with providing policy directions and proactive governance. His recent focus includes the work of introducing rural environmental agenda through decentralised planning, leading to empowering the ‘ecologically handicapped’ and meeting the challenge of environmentalism in the impoverished places.