Programme nearbyFood & GardenBerlinNeighbourhood compost with Kiez-Kompost in BerlinNeighbourhood compost with Kiez-Kompost in Berlin Kiez-Kompost builds neighbourhood-scale composting for housing estates, garden clubs, urban farms, and solidarische Landwirtschaft projects in Berlin. Their bioreactor process keeps organic matter local and aims for humus-rich compost without industrial peat from drained moors. What you can do - Contact the team via kiez-kompost.de to ask about a neighborhood composter for your courtyard or garden association - Partner as an urban gardening or Solawi project that needs finished compost returned to beds - Follow their RBB Gartenzeit feature and Instagram for build updates while the venture scales - Start small: one shared bin plus clear rotation rules beats waiting for a perfect site How it works Kiez-Kompost is in an active launch phase: offerings evolve quickly. Reach out by email or the site contact form; they reply with project fit, bioreactor sizing, and neighbour onboarding steps. Why it matters Berlin loses fertile soil to bagged shop compost and long transport chains. Ortsnahe Kreisläufe keep carbon and nutrients in the neighborhood where people grow food together.compostcommunitybioreactor +1
Programme nearbyCommunityZagrebZagreb Pay-As-You-Throw: fairer billing, less landfillCitizens control their own waste bill Zagreb introduced a Pay-As-You-Throw (PAYT) system following recommendations from Zelena Akcija under the EU-funded ERIC (Elevating Reuse In Cities) project. By late 2024 the city had cut landfilling by 20 % and boosted separate collection by 50 % compared to 2022: with full rollout expected by end of 2026. What changed - Open street bins in the city centre replaced with underground containers for separated and mixed waste - Elsewhere, bins relocated into buildings and courtyards; caged and semi-underground containers added - Households charged based on the volume of mixed waste they generate, not a flat fee How to participate - Sort household waste into the correct streams: you directly reduce your bill - Follow Zagreb's city environmental office for updates on PAYT rollout in your district - Support the advocacy to extend door-to-door collection to more neighbourhoods Why it matters PAYT aligns the incentive system: the less mixed waste you produce, the less you pay. Combined with infrastructure improvements, Zagreb is turning around one of Central Europe's larger urban waste footprints.paytwaste-reductionurban +1
Programme nearbyFood & GardenCopenhagenGarden Tuesdays at Oens Have in CopenhagenGarden Tuesdays at Oens Have in Copenhagen Oens Have on Refshaleoen opens garden Tuesdays so neighbours can plant, weed, and harvest together. Walk-in slots run in season. Check the volunteer page before you go. What you can do - Read the volunteer page for Tuesday hours - Come ready to garden; tools are shared on site - Ask the team how walk-in caps work when the bed is busy How it works Garden Tuesdays are listed for April to October, often 10:00 to 17:00. Cap around 25 people. Register only if the page asks. Why it matters A Copenhagen harbour garden turns spare hours into shared soil and seasonal food.copenhagengardenvolunteer +1
Programme nearbyRewildingBernJoin Stadtgrun Bern urban nature careJoin Stadtgrun Bern urban nature care Stadtgrun Bern stewards municipal urban gardens and nature. Ask how residents can join urban nature care. What you can do - Read the Gartennetz Bern partner page - Ask Stadtgrun about volunteer or garden pathways - Visit Ostermundigenstrasse 116 when a public slot is listed How it works Municipal urban gardens. Confirm volunteer entry with Stadtgrun staff. Why it matters Bern keeps city nature under hands that also grow vegetables.bernurbannature +1
Programme nearbyCommunityWashington DCHeat Island Reduction ProgramCooler neighbourhoods through urban greening The Heat Island Reduction Program helps communities reduce urban heat through trees, cool roofs, cool pavements, and smart land-use planning. EPA shares mitigation benefits and policy tools with local decision-makers and residents. What you can do - Organise a tree-planting or cool-roof pilot on a heat-vulnerable block - Ask your city to adopt heat island strategies in climate and equity plans - Use EPA materials to educate neighbours on shade and reflective surfaces How to participate - Browse actions at Heat Island Reduction - Partner with schools and parks departments on planting days Why it matters Heat islands hit low-income neighbourhoods hardest. Community greening cuts cooling demand and makes outdoor life safer during heat waves.heat-islandurbantrees +2
Programme nearbyCommunityBelgradePublic drinking fountains as urban water commonsBlue dots on the city map: free water and heat resilience Across Serbia, javne česme (public fountains) are reopening each spring, heritage infrastructure that doubles as climate adaptation. Refill stations cut single-use plastic, offer free hydration during heat waves, and anchor neighbourhood gathering spots when maintained and tested. What you can do - Residents: locate your nearest public fountain, carry a reusable bottle, and report broken taps to the local utility or health institute - Neighbourhood groups: map fountains in your district and advocate for repairs, signage, and water-quality transparency - Municipalities: treat fountains as public-health infrastructure, regular testing, winter maintenance, and new installations in heat-exposed zones How it works Most urban fountains connect to municipal water networks; Belgrade also lists dozens of spring-fed fountains monitored by the city public-health institute. Quality data should be published before peak summer use. Why it matters Accessible water is a solarpunk baseline: low-tech, shared, and life-sustaining. Every working fountain is a small act of care for the whole neighbourhood.waterfountainsheat +2
Starter ideaRewildingPortoGuerrilla Wildflower PlantingTurn grey corners into living colour Scatter native wildflower seeds in neglected urban spaces. Low cost, often legal, and surprisingly fast to bloom. What you can do - Choose native mixes suited to your soil and light - Target tree pits, verge edges, or vacant lots with landowner permission where needed - Document before/after photos and share the mix that worked Why it matters Pollinators get corridors through the city, and residents see that beauty can be a collective act, not a municipal contract.natureurbanquick-start
Programme nearbyRewildingTallinnSteward biodiverse urban natureConnected green for people and pollinators Tallinn aims for biodiverse, blossoming urban nature: linked green networks, lifecycle-smart landscaping, and guidelines that keep species thriving alongside daily life. A connected green network lets people choose sustainable ways of living and getting around. What you can do - Plant native species in community plots; join district clean-ups that protect habitats. - Report invasive or damaged green space through city channels; volunteer with local nature groups. Why it matters Connected urban green supports pollinators, cooling, and daily wellbeing alongside concrete streets.biodiversitynatureurban
Programme nearbyFood & GardenParisPlant and tend an urban orchard on shared public landRoot fruit trees in the city you already share Vergers Urbains plants and cares for orchards in Paris and other French cities: schoolyards, housing edges, and parks where neighbours co-maintain apples, pears, and figs together. What you can do - Explore current orchards and volunteer slots on Vergers Urbains - Propose a new site to your arrondissement with a maintenance rota already drafted - Join pruning days and learn grafting from experienced orchardists How it works The association signs agreements with landowners, installs young trees, and trains local stewards. Volunteers commit to seasonal care: mulch, prune, and harvest for shared use or donation. Why it matters Urban orchards store carbon, cool streets, and give children a living calendar of ripening fruit.orchardfruiturban +2
