We measure your event’s environmental footprint.
From festivals and fairs to traditional celebrations, football matches and concerts. We measure the impact of events to turn data into more sustainable decisions.

No two events are the same.
You have to understand the event, the people who take part and the context in which it happens. That is why every assessment has to start from the reality of each event.
At most events, how people travel to and from the event is the biggest source of emissions.
Three steps, from data to report.
More about the studyData
Your audience answers a short questionnaire and we collect data from partner organisations.
Analysis
We calculate your event’s environmental impact.
Report
You get clear results and recommendations you can act on straight away.
Results per event, per person and per category.
A detailed picture of your event, combining its environmental impact with data on your audience. Scientific evidence that keeps you clear of greenwashing.
- Per event
- The total environmental impact of your event, whether cultural, sporting or corporate.
- Per person
- The average impact per attendee and per audience profile.
- Per category
- Transport
- Accommodation
- Food and drink
- Water
- Waste
- Energy
Any event. From 2 hours to 2 months.
- Municipal events
- Sports events
- Conferences and congresses
- Tourist destinations
- Beaches and leisure areas
- Exhibitions and museums
- Heritage sites
- Motorsport events
- Cultural and food fairs
- Music festivals
- Religious events
- Christmas markets
- Mega-events
- Other temporary events
We also measure services and organisations.
From culture to sport, tourism to transport: we use science to measure and reduce impact.
See all servicesWe measure the impact of festivals, fairs, celebrations and sports events.
We assess the impact of a service, from design to end of life.
An emissions inventory for your organisation, including its value chain.
How much CO2e your environmental initiatives avoid.
Case studies.
| Event | Location | Type | Link |
|---|---|---|---|
| Braga Holy Week | Braga | Religious and cultural celebration | View case Braga Holy Week |
| Vodafone Paredes de Coura | Paredes de Coura | Music festival | View case Vodafone Paredes de Coura |
| Sports event | Confidential | Sport | View case Sports event |
| Business conference | Porto | Business | View case Business conference |
Your data stays yours. Everything we collect is confidential, checked by you and never published without your approval.
Clients and partners
Applied science, in the field.
We’re an environmental consultancy with a technical team of engineers, researchers and consultants specialising in events, services and culture.
More about MossgreenCo-founder · Innovation and Engineering
Gustavo Vieira, MSc
Senior environmental engineer with international experience in sustainability, across sectors as varied as services, construction, fashion and industry. Specialist in the circular economy and in measuring and reducing environmental impacts.
Co-founder · Chief Scientist
Luís Filipe Silva, PhD
PhD in Economics and Management, with sustainability experience across services, tourism, public policy, consumer behaviour and regional development. Turns science into practical solutions.
Let’s measure your next event.
We’ll design a study with you, built around your event.
Request a proposal- geral@mossgreen.pt
- Phone
- +351 964 894 241
- Address
- Rua D. Frei Caetano Brandão, 124
4700-424 Braga, Portugal



