More communities, cities, regions, and countries implementing 3+30+300 in policies, assessments, or other forms include:

Alkmaar, the Netherlands

Amstelveen, the Netherlands

Apeldoorn, the Netherlands

Almere, the Netherlands

Antwerp, Belgium

Arnhem, the Netherlands (see also this special 3+30+300 page)

Athens, Greece

Barneveld, the Netherlands

Belfast, Northern Ireland, United Kingdom

Belgrade, Serbia

Bergen, Norway (within the Nordic Yggdrasil project)

Beringen, Belgium (see also this news item)

Berkelland, the Netherlands

Borås, Sweden

Brazil, National Urban Forest Plan

Breda, the Netherlands

British Columbia, Canada (provincial guide on ‘complete communities’ refers to 3+30+300)

Brno, Czech Republic

Campbelltown, Australia

Campo Grande, Brazil

Canterbury Bankstown, Australia

Culemborg, the Netherlands

Darwin, Australia

Delft, the Netherlands

Den Haag, the Netherlands

Deurne, the Netherlands

Deventer, the Netherlands

Doetinchem, The Netherlands

Dordrecht, the Netherlands

Dronten, the Netherlands

Edam-Volendam, the Netherlands

Ede, The Netherlands

Eskilstuna, Sweden

Ferrara, Italy (See also this article.)

Flevoland (Province), the Netherlands

Fort Collins, Colorado, United States

Gennep, The Netherlands

Gent, Belgium

Goes, the Netherlands

Gothenburg, Sweden

Granada, Spain

Grand Rapids, Michigan, United States

Graz, Austria

Greater Montreal Region, Quebec, Canada (Draft Greater Montreal Regional Land Use Plan, for 82 municipalities)

Guayaquil, Ecuador

Haaksbergen, the Netherlands

Haarlem, the Netherlands

Harlingen, the Netherlands

Harrison Hot Springs, British Columbia, Canada

Heemstede, the Netherlands

Hellendoorn, the Netherlands

Hengelo, the Netherlands

Hilversum, the Netherlands

Holbaek, Denmark

Hulst, the Netherlands

Indianapolis, Indiana, United States

Kalmar, Sweden

Kingston, Ontario, Canada

Kolding, Denmark

Kortrijk, Belgium

Laarbeek, the Netherlands

Lancaster, Pennsylvania, United States

Land van Cuijk, the Netherlands

Lelystad, the Netherlands

Liège, Belgium

Lima (Baranco), Peru

Lisbon, Portugal

Livorno, Italy

Málaga, Spain

Malmo, Sweden

Mariestad, Sweden

Marseilles, France

Mataró, Catalonia, Spain

Mechelen, Belgium

Medemblik, Netherlands

Melville, Australia

Nagpur, India

Nantes metropolitan region, France

Nice, France

Nieuwegein, the Netherlands

Noordoostpolder, the Netherlands

Nordic region, Nordic Cities Nature-Based Solutions project

Olomouc, Czech Republic

Oslo, Norway

Palermo, Italy

Papendrecht, the Netherlands

Parramatta, Australia

Pitt Meadows, British Columbia, Canada

Poltava, Ukraine

Port Phillip, Australia

Raalte, the Netherlands

Renton, Washington, United States

Reykjavik, Iceland (within the Nordic Yggdrasil project)

Rheden, The Netherlands

Riga, Latvia

Saint-Jean-sur-Richelieu, Quebec, Canada

Scotland (Future Woodlands Scotland). See the specific 3+30+300-focused grant scheme.

Sherbrooke, Quebec, Canada

Sigtuna, Sweden

Sint-Niklaas, Belgium

Slavkov u Brna, Czech Republic

Stavanger, Norway

St Petersburg, Florida, United States

Surakarta, Indonesia

The Netherlands: call for implementing e.g. 3+30+300 nationally by three official Advisory Councils.

Trelleborg, Sweden

Turku, Finland

Umeå, Sweden (within the Nordic Yggdrasil project)

United Kingdom (as part of the Tree Equity Score UK program)

Växjö, Sweden

Valencia, Spain

Viladecans, Spain

Vlissingen, the Netherlands

Voerendaal, the Netherlands

Wageningen, the Netherlands (see also this video in Dutch)

Warsaw, Poland

West Betuwe, the Netherlands

Westland, the Netherlands

Wrocław, Poland

Xiamen, China

Zaanstad, the Netherlands

Zwolle, The Netherlands