M. Yoganathan

Marimuthu Yoganathan popular as The Tree Man (born 1969) is an Indian environmental activist . He planted over 1 lakh trees in the last 25 years. He is working as TNSTC Coimbatore Bus Conductor

When he was young he use to write poems sitting under trees in Kotagiri forests. He fought with the timber mafia for felling trees.

He works as a bus conductor with Tamil Nadu govt on S-26, runs on the Marudamalai-Gandhipuram route in Coimbatore. He works with school children and college students in creating the hazards of felling trees. He is a member of Tree Trust.

He uses 40% of his monthly salary towards buying saplings and educating children. He planted 1,20,000 tree saplings, by trekking the state of Tamil Nadu

• Government of Tamil Nadu has conferred on him the tiltle Suttru Suzhal Sevai Veerar Award.
• CNN-IBN's Real Heroes Award

• "award". http://www.tn.gov.in. Retrieved 2012-10-07.