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Urban Releaf

 We innovate together to empower citizens and create liveable,  greener and resilient  urban cities for all

Help Shape a Greener Riga: Join the Urban ReLeaf Citizen Science Project

2min • May 2025

Riga gets hot in the summer, especially in the city centre, where there are fewer trees and buildings trap heat. Can you help change that? …

What if citizens had the power to redesign their cities?

4min • May 2025

As we move into the second year of citizen data gathering, we reflect on the inspiring achievements of our six cities: Cascais, Mannheim, Utrecht, Dundee,…

Utrecht’s Digital Twin: Advancing Data-Driven Urban Planning 

4min • April 2025

What if city planners could test urban design scenarios before breaking ground?  Utrecht’s Digital Twin is making this a reality, as we discovered at the…

Urban ReLeaf Charts Future of Citizen-Led Urban Greening in Cascais

4min • February 2025

The historic Casa da Cal in Cascais, Portugal set the stage for Urban ReLeaf’s 2025 General Assembly, where our partners gathered to advance our approaches…

ReLeaf Cascais: 2024 Campaign Highlights

3min • January 2025

The ‘An Urban Park for the Future’ 2024 Campaign successfully engaged over 1,000 citizens in Cascais, Portugal. Between May and December 2024, data collection was…

Athens Enhances Environmental Strategy with Air Quality Sensor Rollout 

4min • October 2024

The City of Athens, as Greece’s largest municipality, faces a range of environmental challenges including heatwaves, flash floods and poor air quality. These concerns are…

Volunteers Lead the Way in Dundee’s Greenspace Strategy 

3min • September 2024

Following the launch of public data collection in July, Dundee is now focused on sustaining its campaign over the coming year, with the goal of…

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Volunteer in your city

Discover how to participate in one of our six pilots in Athens, Cascais, Dundee, Mannheim, Riga or Utrecht and start collecting environmental data in your neighbourhood.

Join now

Join our Working Groups

Urban ReLeaf is hosting three Working Groups as part of its Community of Practice.

Calls for participation will be launched in January 2024 and January 2025. More information will follow in our newsletter and on social media.

Join now

Triggering innovation in public authorities with citizen-powered science.

Coupling citizen science & Earth Observation for European Green Deal & UN SDG 11 monitoring.

Urban design foresight for Nature Based Solutions (NBS) & Blue Green Infrastructure (BGI) scenario planning.

Our vision for future cities.

Urban ReLeaf believes in empowering vulnerable communities to shape climate change mitigation and green infrastructure actions in their neighbourhoods. Citizens in six cities across Europe are taking part in data collection campaigns on heat stress, humidity and air quality to improve the quality of life in their districts.

Comprehensive and reliable urban data ecosystems will allow policy-makers to develop more effective, tailored, city-specific strategies in the fight against climate change. Together, these can strengthen our cities, making them more resilient, liveable, and accessible for all.

Read more about the project

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