Under a September 2023 decree enabling voluntary ecological compensation, Finland recorded one of its first private biodiversity-credit deals in March 2026: retailer …
Ilomantsi, Finland
Good practice
Evidence: Observational / pre–post
Top 40%47/100
Germany's Federal Nature Conservation Act (BNatSchG) has required biodiversity offsetting since 1976. Eco-Accounts allow landowners to pre-register habitat improvements as tradable credits …
An EU LIFE project (2018-2023) that built nature-based stormwater systems across four demonstration sites in Tallinn and Viimsi, cutting annual flood emergencies …
Tallinn, Estonia
Good practice
Evidence: Observational / pre–post
Top 58%40/100
An EU LIFE-funded programme (2019-2025) converting irrigated Lisbon parkland into rain-fed meadows and planting over 107,000 trees and shrubs, cutting irrigation water …
Lisbon, Portugal
Good practice
Evidence: Observational / pre–post
Top 58%40/100
A 40-farm Irish pilot paid farmers for measured pollinator-habitat quality via a 19-action scorecard rather than fixed prescriptions; median farm scores rose …
Waterford, Ireland
Good practice
Evidence: Descriptive / self-reported
Top 58%40/100
Since 1995, the Kia, Katupika and Wagina communities have co-managed the Arnavon Islands, the South Pacific's largest hawksbill rookery. A 22-year dataset …
Community volunteers under the World Bank/GEF-funded Kiribati Adaptation Program planted over 37,000 mangrove seedlings across six atolls; two Tarawa sites saw near-total …
Tarawa, Kiribati
Good practice
Evidence: Observational / pre–post
Top 58%40/100
Since 1995, Mauritius's state fisheries research centre has propagated over 400,000 mangrove seedlings across roughly 20 hectares on all four coasts, restoring …
Albion, Mauritius
Good practice
Evidence: Observational / pre–post
Top 58%40/100
OCWD and OCSD's Groundwater Replenishment System purifies treated wastewater via microfiltration, reverse osmosis and UV/advanced oxidation, producing 130 million gallons/day for about …
Fountain Valley, United States of America
Good practice
Evidence: Observational / pre–post
Top 58%40/100
Since 2012 Colombia's IDEAM has run SMByC, a satellite-based forest and carbon monitoring system using Landsat, Sentinel-2 and other imagery to track …
Bogotá, Colombia
Good practice
Evidence: Quasi-experimental
Top 58%40/100
Since 2012, Operation Crayweed has hand-transplanted golden crayweed onto barren reefs at nine sites across 70km of Sydney's coastline; UNSW-led peer-reviewed monitoring …
Sydney, Australia
Good practice
Evidence: Descriptive / self-reported
Top 58%40/100
Parks Canada's 44 wildlife crossings along Banff's Trans-Canada Highway recorded 200,000+ animal crossings since 1996, cut collisions ~80% (96% for elk/deer), and …
Banff, Canada
Good practice
Evidence: Quasi-experimental
Top 58%40/100
A Wellington City Council-backed programme eliminated ship rats, Norway rats, stoats and weasels from the 1,086 ha Miramar Peninsula by November 2023, …
Wellington, New Zealand
Good practice
Evidence: Observational / pre–post
Top 58%40/100
Treated wastewater from 2.5 million Israelis is filtered through sand-basin soil-aquifer treatment for six months, then pumped 100 km south to irrigate …
Rishon LeZion, Israel
Good practice
Evidence: Descriptive / self-reported
Top 58%40/100
Using the Marshall Islands' Reimaanlok ('look towards the future') framework, MIMRA and National Geographic Pristine Seas designated a 48,000 km² sanctuary around …
Azerbaijan tripled Hirkan National Park's protected relict Caspian Hyrcanian forest from 29,760 ha (2004) to over 55,000 ha (2022–23), confirmed Caucasian leopard …
Lankaran, Azerbaijan
Good practice
Evidence: Descriptive / self-reported
Top 58%40/100