
Claude Alvares is an Indian environmentalist based in Goa, India. He is the editor of the Other India Press publication based in India. The Director of the Goa Foundation, an environmental monitoring action group, Claude Alvares got his PhD from the Technische Hogeschool, Eindhoven, in the Netherlands, in 1976. He lives at Parra, Goa with his wife Padma Sri Norma Alvares, an environmental lawyer and three children, Rahul, Samir and Milind.
Jayanta Bandyopadhyay, is a researcher, analyst and author. He is now a Distinguished Fellow at the Observer Research Foundation, Kolkata. He is a Former Professor of the Indian Institute of Management Calcutta. An internationally renowned professional on public interest research, mountain environment and water governance in south Asia, Bandyopadhyay has authored sixteen critically acclaimed books and monographs, in addition to 150 papers and articles. He has delivered invited lectures in many parts of the world.

Bulu Imam is an environmental activist working for the protection of tribal culture and heritage in Jharkhand. On 12 June 2012, he received the Gandhi International Peace Award, 2011 at the House of Lords in London. He is recipient of the Padma Shri (2019). He is the grandson of Syed Hasan Imam, who was a leading Barrister and Judge of Calcutta High Court (1912–1916), and the President of the Indian National Congress.

Satish Kumar is an Indian British activist and speaker. He has been a Jain monk, nuclear disarmament advocate and pacifist. Now living in England, Kumar is founder and Director of Programmes of the Schumacher College international centre for ecological studies, and is Editor Emeritus of Resurgence & Ecologist magazine. His most notable accomplishment is the completion, together with a companion, E. P. Menon, of a peace walk of over 8,000 miles in 1973–4, from New Delhi to Moscow, Paris, London, and Washington, D.C., the capitals of the world's earliest nuclear-armed countries. He insists that reverence for nature should be at the heart of every political and social debate.

Anupam Mishra was an Indian Gandhian, author, journalist, environmentalist, TED speaker, and water conservationist who worked on promoting water conservation, water management and traditional rainwater harvesting techniques. He had been awarded the 1996 Indira Gandhi Paryavaran Puraskar (IGPP) award instituted by the Ministry of Environment and Forests, Government of India. He travelled to villages across several Indian states, especially Rajasthan, Madhya Pradesh, Maharashtra, and Uttar Pradesh, describing the value of time-tested systems of water harvesting. He advocated conservation of traditional water structures in India as well as abroad. He wrote books like Aaj Bhi Khare Hain Talaab and Rajasthan Ki Rajat Boondein, landmark works in the field of water conservation. An extensive interview with Mishra about the history and future of the Yamuna River occupies the last chapter of Rana Dasgupta's book Capital: The Eruption of Delhi.

K. K. Neelakantan better known by his pen name Induchoodan, was a leading Indian ornithologist. He is widely regarded as a pioneer of the environmental movement in Kerala for popularizing bird study through his books written in Malayalam.

Palagummi Sainath is an Indian journalist who focuses on social & economic inequality, rural affairs, poverty and the aftermath of globalization in India. He is the founder editor of the People's Archive of Rural India (PARI) and a senior fellow for Tricontinental: Institute for Social Research. He was the Rural Affairs Editor at The Hindu before resigning in 2014,. The website India Together has been archiving some of his work in The Hindu daily for the past six years. Since late 2011, he has been working on PARI, of which he is the founder editor.

K A Shaji is a South India-based journalist who reports regularly on political developments, environmental issues, health, livelihood, dalit issues, tribal affairs, art, culture and developmental disparities. Travelling extensively in the most backward regions of Kerala, Tamil Nadu and Karnataka, he also writes on poverty, impoverishment and other different forms of rural distress.

Vandana Shiva is an Indian scholar, environmental activist, food sovereignty advocate, and anti-globalization author. Based in Delhi, Shiva has written more than 20 books.

Valmik Thapar is an Indian naturalist, conservationist and writer. He is the author of 14 books and several articles, and has produced a range of programmes for television. Today he is one of India's most respected wildlife experts and conservationists, having produced and narrated documentaries on India's natural habitat for such media as the BBC, Animal Planet, Discovery and National Geographic.