What Makes OOH an Eco-Friendly Choice?
In an era where sustainability is a key consideration across all sectors, advertising is no exception. Among the various forms of brand promotion now being evaluated through the lens of environmental responsibility, Out Of Home (OOH) advertising stands out as one of the most eco-friendly solutions.
1. Low Environmental Footprint
OOH relies on long-lasting physical assets (billboards, bus shelters, digital panels). Unlike print or digital ads that often generate short-lived, disposable content, OOH surfaces are reused over time, significantly reducing material consumption.
2. Digital Technology Integration (DOOH)
The shift to Digital Out-of-Home (DOOH) enhances sustainability by eliminating the need for paper, PVC, or other consumables. It allows multiple messages on the same screen, uses energy-efficient LED technology, and often runs on renewable energy sources.
3. No Physical Waste for Consumers
OOH doesn’t generate consumer waste like printed flyers or packaging materials.
4. Mass Reach with Minimal Energy
OOH content reaches hundreds of people in public spaces simultaneously. This “one-to-many” model is more energy-efficient than digital media’s “one-to-one” targeting approach.
FAW’s Research: Data That Supports OOH Sustainability
In 2021, Germany’s official OOH association, FAW (Fachverband Außenwerbung e.V.), together with Mediaplus and ClimatePartner, conducted a pioneering study to measure CO₂ emissions per 1,000 advertising impressions across different media channels. This study introduced the “Green GRP” index, evaluating not only advertising reach but also environmental performance.
Results (CO₂ emissions per 1,000 impressions):
- Newspapers (Nordic type): ~9,067 g
- Linear TV: ~828 g
- Online video (e.g., YouTube, VOD): ~284 g
- (Digital) Out-of-Home / DOOH: ~5–80 g
DOOH showed the lowest CO₂ emissions per 1,000 contacts, making it one of the most eco-friendly advertising media available.
Return on Environment (ROE): Where Sustainability Meets Effectiveness
Based on these findings, FAW collaborated with the consulting firm bynd to develop a new index: Return on Environment (ROE). This indicator evaluates how reallocating media budget to low-emission channels impacts both sustainability and campaign performance.
Key findings from media plans (2019–2023):
- Budget shift from TV/Online Video to DOOH led to up to 12% reduction in CO₂
- Campaign effectiveness also improved (brand awareness, consideration, intention)
In a 2024 update analyzing 6 campaigns in the FMCG sector, reallocating budget to OOH/DOOH resulted in up to 29% CO₂ reduction with no negative impact on sales.
Why Does OOH Have Such Low Emissions?
FAW highlights three core reasons:
- Mass visibility with a single display – high exposure per watt
- Use of green energy, optimized logistics by OOH providers
- Investment in low-consumption digital technology
Conclusion
Out-of-Home advertising – especially in its digital form – proves to be not only an effective communication channel but also a genuinely sustainable solution. In a world where environmental responsibility increasingly shapes business decisions, OOH demonstrates that advertising can be both impactful and environmentally responsible.
