A $200M World Bank programme building drains, retention basins and river dredging to protect Accra's flood-prone informal settlements. An independent interim evaluation …
Romania's SUMAL 2.0 timber-tracking system, launched January 2021, layers Sentinel and Landsat satellite imagery, radar and GPS over every logging and transport …
Riyadh's US$11bn programme targets 7.5m trees by 2030, irrigated by treated wastewater. No cumulative delivery figure has ever been published, and peer-reviewed …
Riyadh, Saudi Arabia
Good practice
Evidence: Descriptive / self-reported
Top 96%20/100
Chile's 2023 Ley 21.600 created a national legal mechanism for voluntary paid contracts to conserve or restore ecosystems; its first real-world test, …
ECOTRUST pilots direct biodiversity-credit payments to Ugandan landholders who restore a ~2,000 ha wildlife corridor linking the Bugoma and Budongo forest reserves, …
Hoima, Uganda
Good practice
Evidence: Descriptive / self-reported
Top 96%20/100
UN-Habitat and Greater Amman Municipality built a $465,000, 2,300 m² nature-based drainage pilot at Ras Al-Ain — bioswales plus an underground storage …
Amman, Jordan
Good practice
Evidence: Descriptive / self-reported
Top 96%20/100
St. Kitts and Nevis funds a government-run trapping programme against an estimated 37,000 invasive African green (vervet) monkeys, backed since 2019 by …
Basseterre, Saint Kitts and Nevis
Good practice
Evidence: Observational / pre–post
Top 96%20/100
Since 2013, Grenada's Forestry Department and BirdsCaribbean have trapped mongoose, rats and cats at Mt. Hartman and Perseverance to protect the critically …
Hong Kong pairs government-building green roofs with a building-code mandate requiring 20–30% site greenery on large new developments; independent satellite mapping has …
Hong Kong, Hong Kong
Good practice
Evidence: Observational / pre–post
Top 96%20/100
Since 2017, Québec has required developers who destroy wetlands to pay into a provincial compensation fund. Independent legal analysis found the fund …
Québec City, Canada
Good practice
Evidence: Descriptive / self-reported
Top 96%20/100
Barcelona's superblocks restrict through-traffic in 3x3-block clusters for green/pedestrian use. A peer-reviewed ISGlobal model of full rollout (503 superblocks) estimated 667 fewer …
Barcelona, Spain
Good practice
Evidence: Descriptive / self-reported
Top 96%20/100
Ethiopia's Green Legacy claims 40bn+ seedlings planted since 2019, incl. a single-day record of 350 million trees. Independent analysts say survival is …
Addis Ababa, Ethiopia
Good practice
Evidence: Quasi-experimental
Top 96%20/100
A Forest Investment Program-funded scheme paid Burkinabè households up to $238 per group for surviving trees on degraded gazetted forests; a randomised …
Central Burkina Faso (Gazetted Forests), Burkina Faso
Kyrgyzstan's 2009 Pasture Law devolved rangeland management to elected Pasture User Unions; a $15m World Bank project (2014-2019) reached 190,000+ people in …
Bishkek, Kyrgyzstan
Good practice
Evidence: Observational / pre–post
Top 96%20/100
Bahrain's Supreme Council for Environment protects Tubli Bay's Ramsar-listed mangroves (~48 ha in 2020) and, with UN-Habitat and HSBC, is restoring stands …