Responsible & commited Digital Communication Agency.

We reveal organizations that act for the ecological transition.

Let's speak together

How we work

Are you an NGO? It's over here.

They trust us

Sustainable cities

Décarbonation

énergies renouvelables

Conservation de l'eau

Mobilité durable

économie circulaire

The first agency that combines press relations and digital marketing in support of the ecological transition. 425 PPM accompany the actors of change - companies, startups, foundations, associations and public entities, in positive impact of their actions For a low-carbon economy.

Our expertise

Our fields of activity

We focus our efforts on the sectors most exposed to CO2 emissions.

Learn more

Sustainable cities

decarbonization

renewables

Water conservation

SUSTAINABLE mobility

circular economy

It is up to our generation to take decisive action on decarbonization to slow climate change and safeguard the future of generations to come.

Together, let's give a voice to the organizations that are helping to shape a better world.leaders audibles et visibles. Nous transformons votre expertise en une prise de parole puissante, structurée et impossible à ignorer.

Notre méthodologie repose sur une approche directe et efficace : comprendre les enjeux, affûter votre message, choisir les bons relais et ancrer votre influence dans la durée.

Through meticulous monitoring

The fight against climate change will require profound adaptations in organizations, and our daily monitoring of the sectors that emit the most CO2 will help inspire your actions.

By following the key sector indicators

Understanding your sector's environmental objectives is the key to implementing an effective decarbonization strategy, and our experience in this field will make a major contribution.

Forger un message impactant

How does your product help reduce CO2 emissions?

And clear objectives

List your communication objectives, including the targets you want to reach first.

Choosing the right channels

Influencers, social networks, print media, TV, radio... Which platforms should you use to get your message across?

For impactful communication

Your key message must be addressed to the right targets. Choosing the right channel is essential!

Being seen is good

Improving your SEO, getting published, being read and listened to all contribute to building your reputation.

Being everywhere is better!

The most important thing is that your message recurs over the long term. It's about telling the story of what you do every day... inspiring those who follow you!

When do we start?

Let's take 15 minutes to talk

decarbonization

The decarbonization blog

Communicate about your CSR commitments without greenwashing

Le Marketing responsable

15/5/2025

Communicate about your CSR commitments without greenwashing

Discover how to communicate your CSR commitments in a credible way, avoid greenwashing and promote your actions with your stakeholders.

Lire l'article

How to use LinkedIn to boost your media relations

Les clés de la médiatisation

13/5/2025

How to use LinkedIn to boost your media relations

Discover how LinkedIn can become a powerful tool for your press relations, with concrete advice and inspiring examples.

Lire l'article

How to engage your teams in the ecological transition?

Au cœur de la transition

6/5/2025

How to engage your teams in the ecological transition?

Concrete strategies to involve your employees in the ecological transition. Awareness-raising, training, management: the keys to sustainable mobilization.

Lire l'article

Paris, France| 26-27 mai 2025

Actualités et communiqués

Reuse Economy Expo

REuse economy expo est le rendez-vous européen de l’économie du réemploi

Learn more

Paris, France| 14-15 mars 2025

Actualités et communiqués

Université de la terre

L'Université de la Terre est le rassemblement annuel à l'UNESCO, proposant deux journées de débats et d'échanges ouverts à tous sur les grands défis planétaires, environnementaux et sociaux.

Learn more

Responsible & commited Digital Communication Agency.

They trust us

Our expertise

Influence

Narration

Insight

Acquisition

Commitment

Expansion

Our fields of activity

Sustainable cities

decarbonization

renewables

Water conservation

SUSTAINABLE mobility

circular economy

It is up to our generation to take decisive action on decarbonization to slow climate change and safeguard the future of generations to come.

Through meticulous monitoring

By following the key sector indicators

Forger un message impactant

And clear objectives

Choosing the right channels

For impactful communication

Being seen is good

Being everywhere is better!

Let's take 15 minutes to talk

decarbonization

The decarbonization blog

Communicate about your CSR commitments without greenwashing

How to use LinkedIn to boost your media relations

How to engage your teams in the ecological transition?

Subscribe to Wake Up, the newsletter dedicated to accelerating the transition

Reuse Economy Expo

Université de la terre