Tokyo's Nature Conservation Ordinance — Mandatory Rooftop & Wall Greening for New Buildings
Japan
Since 2001, Tokyo has legally required new and renovated buildings above set size thresholds to green 20-25% of their roof …
Lithuania · Vilnius · See the Lithuania profile · See the Vilnius profile
Evidence: Observational / pre–post Top 89% 27/100 · Ask Evidence Copilot about this practice
Vilnius City Municipality's ongoing greening programme (launched 2021) planting trees, shrubs and green roofs city-wide, with roughly €2 million allocated annually and recognised as an EU Green City Accord good practice.
LT01The Vilnius Green Wave ('Zalioji Vilniaus banga') initiative is a Vilnius City Municipality programme launched in 2021, run with residents, schools and businesses and recognised by the European Commission's Green City Accord as a good practice, with the municipality citing roughly EUR 2 million allocated annually.
The municipality's original launch goal was ambitious -- 100,000 trees, 10 million shrubs and 300,000 climbing vines.
The EU Green City Accord's own good-practice page reports that by 2022 the programme had delivered 36,000 trees, 78,000 shrubs and 3,000 vines/creepers, plus 8,200 climbing plants distributed to schools and kindergartens, and a 1,000 m2 pilot green roof at the Lazdynai swimming pool. Independent municipal data shows a longer growth trend in tree planting, from 380 trees a year in 2012-2015 to 3,405 in 2019, and city green zones (parks, forests and other green land) now covering 46% of the municipality's total area. In a recent autumn planting round the city added 723 more trees, around 14,000 shrubs and over 74,000 flower bulbs.
The delivered totals fall far short of the original targets -- 78,000 of 10 million shrubs and 3,000 of 300,000 vines -- which the EU's own good-practice write-up frames candidly, flagging difficulty balancing innovation with established urban practice, an unresolved long-term maintenance model after planting, and regulatory barriers to greening non-standard urban spaces. The original shrub and vine targets may themselves have been unrealistic aspirational figures rather than a costed delivery plan.
Own resources / municipal budget
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Where this practice's information was retrieved from, and when.
Japan
Since 2001, Tokyo has legally required new and renovated buildings above set size thresholds to green 20-25% of their roof …
Nigeria
Since 2009, Lagos State's LASPARK agency has coordinated planting of over 7 million trees via legally mandated 5-for-1 replacement for …
France
Métropole de Lyon's Plan Canopée (2017–2030): 25 actions in 4 axes; public-space trees rose from 42,000 (1990) to ~100,000; canopy …
Türkiye
Built on the former Atatürk Airport site, Istanbul's 121.5-hectare National Garden opened in November 2025 with 20,000+ trees and a …
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