Verd de proximitat BCN

Completed

from 10/12/2021 until 10/10/2023

The primary objective of the “Verd de proximitat BCN” project is to design and implement a plan to monitor and evaluate the performance and impact of green roofs and facades in Barcelona. This plan is intended to be inclusive, participatory, economically viable, and sustainable in the long term.

To this end, a group has been formed bringing together owners and users of these nature-based solutions, the scientific community, the business sector, and social integration organizations. Together, they will co-design and co-implement the retrospective monitoring of four ongoing projects to evaluate their performance and the actual impact of these construction solutions based on previously selected key indicators.

The datasets generated within the framework of the project are available for consultation and reuse: 

https://doi.org/10.34810/DATA983

https://doi.org/10.34810/DATA1550

https://doi.org/10.34810/DATA1487

https://doi.org/10.34810/DATA1488

https://doi.org/10.34810/DATA1489

https://doi.org/10.34810/DATA921

https://doi.org/10.34810/DATA920

https://doi.org/10.34810/DATA919

https://doi.org/10.34810/DATA918


Aim

The overall objective of the “Verd de proximitat BCN” project is to design and implement a plan to monitor and evaluate the performance and impact of integrating vegetation into building envelopes—specifically green roofs, walls, and facades—in the city of Barcelona, ​​ensuring the plan is inclusive, participatory, economically viable, and sustainable over time.

To ensure the designed model is relevant and useful to immediate end-users while also providing the information needed for future urban planning processes, the plan will adhere to the following fundamental principles:

a) be scientifically sound;

b) be practical and straightforward;

c) clearly define baseline conditions;

d) align with municipal policies;

e) be based on a transdisciplinary approach.


How to participate

The following is a compilation of some of the most notable results from the selected projects. These examples illustrate the various ways information about an ongoing project can be gathered to evaluate its performance and impact—ranging from simply measuring the area of ​​green coverage (in m²) to installing sensors for real-time data collection, using mobile apps to record sensory observations, and assessing user responses. Some examples of how citizen science plays a role in specific parts of the project include:

1. Climate resilience / 1.1. Stored carbon: Given the complexity of measuring this key aspect from a citizen science perspective, a simple calculation based on existing scientific evidence was chosen.

5. Biodiversity improvement / 5.3. Pollinator species: Evaluation method: Number and types of animal species observed on the green roof or green façade. Using mobile apps to record observations is a very useful and simple citizen science option.

6. Air quality / 6.2. Ambient odor / 6.2.2. Recorded pleasant odors: Assessment method: A monitoring methodology based on the OdourCollect app [13]—grounded in citizen science—has been defined; it allows odors to be recorded in four clicks (1. Location, 2. Odor type, 3. Hedonic tone, 4. Intensity).

Needed equipment

To make the collected results and data available to the entire citizenry, a methodology for sharing and connecting with existing city-level digital platforms is being designed and implemented.

About funding

Funding bodies: Ajuntament de Barcelona Fundación "La Caixa"

Funding program: Pla Barcelona Ciència 2020-2023

Coordinator
Created July 14, 2026, 7:13 a.m.
Updated July 17, 2026, 7:11 a.m.
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