Pune has been the centre of a quiet revolution. Heading this transformation is the Tree Authority of Pune (tap), part of the Pune Municipal Corporation's garden department. tap is responsible for keeping Pune city, with a population of over 26 lakh, lush and green.

Maharashtra was the first, and until recently the only, state to make it mandatory for urban municipal bodies to constitute a tree authority that would oversee governance and preservation of the green cover in urban areas. Established under the auspices of the Maharashtra (Urban Areas) Preservation of Trees Act of 1975 (the Act), tap is concertedly working to mark Pune