Use Them Now, and Help Us Make Them Standards. TVNI has completed a full review and revision of Module C of the Guides and Standards suite — the module that covers wastewater, effluent and pollution control. The module now runs…
Floating Islands That Work: TVNI’s Revised Vetiver Floating Island Specification v2.1 A Vetiver Floating Island is a simple idea: a buoyant raft planted with vetiver grass, anchored on a polluted pond or lagoon, with the plant’s dense vertical roots hanging…
Vetiver Phytoremediation – The Mechanisms Vetiver grass (Chrysopogon zizanioides) removes agricultural and waste water (sewage) pollutants through four integrated biological mechanisms operating simultaneously. (1) The foundation is its massive vertical root system reaching 3-4 meters depth, creating enormous surface area…
Our February Newsletter is coming out quite late for technical reasons: we have just migrated the TVNI website from its long time host, CSS Communications (of Bellingham, Washington) to a new host and so were “down” during the transfer. As…
The Vetiver System in 2025 The most outstanding aspect of the Vetiver System in 2025 were the people of the VS global community. WhatsApp groups in India and Latin America, the monthly Latin American Conversatorios, and numerous active Facebook groups…
From Scarred Mines to Blueberry Fields: A Story of Restoration from South China. In Baisha Town, Yingde City, the scars of illegal rare earth mining once defined the landscape. Jagged rocks and barren soil stretched across Mendong Village’s Fourth Pond,…
A testimonial from Alois Kennerknecht : The Vetiver System – a multipurpose plant in an urban community in Peru A few months ago TVNI launched a “Vetiver Testimonial Campaign” with an open call, asking you to share your stories and…
100 Year old Vetiver hedgerows still functioning Vonnie Roudette of St Vincent and the Grenadines – “the best project manager ever”. Vonnie is one of a number of outstanding women who develop and execute Vetiver related programs. She is a…
In many parts of the world, villages and their inhabitants are closely connected to the surrounding landscapes, often sharing ownership. Typically, issues related to soil erosion and water pollution are addressed as either agricultural/forestry or urban problems, each requiring different…