We turn intentions into 
behaviour.
Green Nudges Consulting supports the changemakers of the sustainability transformation in motivating people towards sustainable behaviour. We achieve this
through behavioural science and kick-ass creativity
— and by proving that sustainable behaviour change isn’t just good for the planet, but good for business.
Sustainable transformation requires change at many levels.
Linear Economy
Circular business models
Ownership of products
Sharing Economy
Fossil energy sources
Renewable energy sources
The daily portion of meat
Plant-based diets
…
…
The intention is often there.
But behaviour rarely follows intentions.
Say
85%
Do
13%
Source: 85% of people say they want to be more sustainable, but only 13% actually change their behavior. Kantar, Sustainability Sector Index 2023
One reason why the sustainability transformation stalls is the discrepancy between saying and doing.
Say
Intention
gap
Do
behaviour
The population group with the greatest leverage – the mainstream – is aware of climate change. And yet acts far too rarely. This has various reasons that behavioural science can address.
15–20%
Denialists
Say
Do
60–70%
Mainstream
Say
Do
15–20%
Green Bubble
Say
Do
*Source: Nielsen IQ, The Green divide – How to Influence and Change Conscious Consumer Behavior, simplified visualisation
Changing people’s behaviour is no easy task. But this is where Green Nudges Consulting’s creative behavioural science toolbox comes in—making sustainability stick through smart, science-based interventions.
Wel help turn intentions into behaviour.
We support companies, municipalities, non-profit organizations, lobby groups, sustainability consultancies and communication agencies
on the following topics:
Biodiversity
Biodiversity
Protecting natural habitats and fauna.
Digital
Digital
Create or improve digital tools for sustainable behaviour.
Energy
Energy
Save energy, change usage behavior, and promote the switch to renewable energy sources.
Food & Beverages
Food & Beverages
Making plant-based nutrition more attractive. Reducing food waste.
Mobility
Mobility
Make active transportation and e-mobility the norm.
Retail
Retail
Promote the purchase of sustainable products.
Reduce return rates.
Sustainable Products
Sustainable Products
Promote the acceptance of sustainable products.
Tourism
Tourism
Minimizing the negative impacts of tourism.
Waste & Recycling
Waste & Recycling
From single use to: Refuse, reuse, reduce, refurbish, repair, repurpose, and recycle.
Water
Water
Save water or conserve water resources.
Our team combines behavioural science expertise with strategic thinking and kick-ass creativity.
Laura Sommer PhD
Behavioural Scientist
Behavioural scientist and consultant specializing in behaviour change and sustainability.
Matthias Höppner
Behavioural Strategist
Consultant at the intersection of marketing, sustainability, and behavior change.
When needed, we involve industry experts in our workshops or long-term projects.
Dr. Sophie Attwood
Behavioural Scientist
Food & Beverages
Natalia Le Gal
Behavioural Scientist
(Behava)
Mobility
Selina Sinning
Behavioural Scientist
(WWF)
Biodiversity, Circular Economy
Sille Krukow
Behaviour Design Expert
(Krukow)
Retail
Ondrej Kacha
Behavioural Scientist
(The Behaviouralist)
Energy
Dr. Philipp Spreer
Behavioural Scientist
(elaboratum)
Digital
Nick van de Hei
Behavioural Strategist
(Fama Volat)
Waste & Recycling
Further experts
Our Services
Nudges are just one tool of behavioural science that we use to change behaviour. Our services incorporate state-of-the-art methods to create lasting change.
Behaviour Change
Changing sustainable behaviour in a measurable and scalable way.
What you get
Citizens, customers, or employees make more sustainable choices, leading to structural, lasting changes—not just small nudges—embedding sustainability into everyday actions.
How we
get there
- Understand: Behavioural insights & analysis to identify key behaviours, barriers and levers for change
- Design: Evidence-based and creatively developed interventions that make sustainable behaviour easy and attractive
- Test & validate: Make behavioural impact measurable
- Leverage: Implement what works
Who it’s for
For sustainability leaders and decision-makers ready to create real impact – whether starting small or aiming for large-scale transformation.
Behavioural Marketing
Making sustainability marketing drive action, not just awareness.
What you get
Brands see increased mainstream adoption of their sustainable products and services, as they become the better and easier choice over conventional options.
How we
get there
- Behavioural audit of your marketing to uncover untapped potential
- Messaging and campaigns grounded in behavioural science
- Behaviourally optimised communication – clear, motivating, and decision-friendly
- Optimisation of communication assets for maximum behavioural effectiveness
Who it’s for
For marketing teams, sustainability leads, and creative agencies who want to make sustainable offers stick – not just look good.
Behavioural Training
Equipping changemakers with the foundations of behavioural change
What you get
Participants gain a hands-on foundation in behavioural science. They learn what really drives behaviour – and how to apply it in their own work.
How we
get there
- Core principles of behavioural science
- Understanding key drivers and barriers to sustainable behaviour
- Practical tools and frameworks for designing behaviour change
- Best practices and inspiring real-world examples
Who it’s for
For sustainability professionals, consultants, and coaches who want to understand behavioural science – and use it to drive real impact.
Keynotes & Workshops
Inspiring people to rethink sustainability through behavioural science
What you get
Participants discover what behavioural science can really do – with surprising insights, new perspectives, and practical ideas to take back into their work.
How we
get there
- Engaging, science-based keynote talks with real-world examples
- Behavioural insights made accessible, relevant and inspiring
- Interactive formats like workshops with hands-on exercises – where concepts are put into action right away
Who it’s for
For anyone tired of good intentions and empty promises – and ready to spark real change.
What our clients say about working with us
Roland Zimmer
Managing Director, Amiva/STROTH Telecom
Laura and Matthias helped us uncover the psychological barriers that were holding back customer acquisition for our sustainable mobile network brand.
We learned a lot and ended up reworking a wide range of digital marketing assets – from brand campaigns and landing pages to the entire ordering process. We were especially impressed by how practical and targeted their approach was. Now we’re excited to put it all into action.
Sophia von Bonin
Mission Lead Circular Futures, Project Together)
Laura was an indispensable part of the “Mehrweg.einfach.machen” project. Her behavioural science expertise laid the foundation for key outcomes – including the nudging playbook “Mehrweg at the Point of Sale.”
She made research accessible and actionable, and her experiment turned out to be the most effective intervention in the entire project. With her holistic thinking and sharp instincts, she made complexity manageable and collaboration rewarding.
It was a pleasure working with her, and I look forward to future collaborations.
Stronger together:
Making real change possible with strong partners
Free consultations fill up fast – save your 30-minute slot today!
Simply select an available appointment and learn in a personal conversation how to use behavioural science to promote more sustainable behaviour.
