Tree Talk’ most popular Environmental awareness programme initiated on 19th December 2010 to coincide with UN declared International Decade of Biodiversity (2011-2020) and International Decade of Ecosystem restoration (2021-2030). Tree Talk with 1280 Biodiversity awareness interactions has played a significant role in developing tree conservation consciousness among school students, university scholars, Plant & animal domain scientists, multilingual writers, wildlifers, birders, story tellers and women organizations across length & breadth of northern India especially Jammu & Kashmir. Lesser known plants & trees discussed during twelve years of green deliberations include Giant Red Sequio seen at Tangmarg, largestToon tree seen at Raangvillage, Chilgoza pine seen at Paddar, Hawthorn of Kishtwar &Kashmir, Victory onion of Marwa valley,Coca tree Sunder nursery, Delhi, Ginkgo biloba of Emporium garden, Pistachio tree of Karan Bagh (Almond villa), Rhododendron of DKG, Himalayan cherry of Darhal, Tiger tree of Billawar, Hog plum of Reasi, Jiyopota sacred grove of Gajansoo, SacredShisham of Tahlimandir, sacred Cedars of NagdevtaPatnitop,Star apple of gardens, Sacred Maloo creeper of Baba Dhansar,Seabuckthorn of Insan Aftee, Kuth of Tulel, Katuki of Rajdan Pass, Birch of Synthan mountain, Reid’s Primrose of Margan, Chrozophora of Kashmir, Salvadora of Nizamuddin Dargah, Clitoriaarborea of Hyderabad, Sita Ashok of Bagh- Bahu, Magnolia of Kashmir, Hazelnut of Basantgarh, Chinars of Mughal gardens, Chikhri of Rajouri, Myricaesculenta of Chormotu & Sangar, Celastruspaniculatus of Kali dhar, Ujjain Desmodium, Telosma of shivaliks, Elms of mountains seen preserved within & outside sacred groves. Special focus of Tree Talk awareness programme was revival of forgotten vernacular names, ethnic tree traditions, forest food cuisine development, identification of medicinal plants, conservation of rare, endemic & threatened (RET) taxa for inclusion in mandatory People’s Biodiversity register maintained by each village panchayat and urban local body to meet set objectives of Indian Biodiversity Act 2002 Tree Talk has made Field Taxonomy interesting with focus on mythological, religious, cultural anecdotes ,traditional eco-friendly practices, ethnic vernacular name documentation, Scientific & traditional value addition to bioresources, ensure biodiversity conservation.