---
title: fifty-five | Discover our sustainability offer
image: https://resources.fifty-five.com/hubfs/Key%20visuel%20offre%20Sustain%20lp%20EN.png
---
[](https://fifty-five.com)
[SERVICES](https://www.fifty-five.com/services)
[ABOUT US](https://www.fifty-five.com/about)
[CONTACT](https://www.fifty-five.com/contact)
DISCOVER SUSTAINABILITY AT FIFTY-FIVE
Your ESG transition, supported by fifty-five’s data expertise
OUR SOLUTION N°1
Assess and mitigate digital carbon footprint
AI
Cloud
Marketing Campagnes
Websites
THE CHALLENGE
Digital activities already account for 4% of green-house gas emissions and are responsible for strategic rare material depletion.
If nothing changes, green-house gas emissions are expected to triple, mostly due to the AI surge.
RESULTS
-25%
of carbon mitigation
Up to 50%
cost savings for AI and Cloud optimization
OUR SOLUTION N°2
Deploy ESG Data Platform with our strategic partners:
THE CHALLENGE
47% of sustainability managers report frustration with data complexity: multiple sources of data, manual import, inconsistency and lack of exhaustivity.
RESULTS
Automated data collection & High-quality ESG Monitoring
RETAIL & SERVICES LEROY MERLIN
[LEROY MERLIN: Measuring and Optimizing Marketing and Media Actions across Channels with an Internal Media Mix Modeling Platform](https://www.fifty-five.com/case-study/how-does-leroy-merlin-france-measure-and-optimize-its-marketing-and-media-actions-in-an-omnichannel-logic-thanks-to-an-internalized-media-mix-modeling-platform)
December 2023
[>>>](https://www.fifty-five.com/case-study/how-does-leroy-merlin-france-measure-and-optimize-its-marketing-and-media-actions-in-an-omnichannel-logic-thanks-to-an-internalized-media-mix-modeling-platform)
CUSTOMER SERVICES WEBHELP ENTERPRISE
[WEBHELP: Perfecting B2B Sales with Generative AI](https://www.fifty-five.com/case-study/webhelp-perfecting-b2b-sales-with-generative-ai)
December 2023
CUSTOMER SERVICES WEBHELP ENTERPRISE
[WEBHELP: Perfecting B2B Sales with Generative AI](https://www.fifty-five.com/case-study/webhelp-perfecting-b2b-sales-with-generative-ai)
December 2023
[>>>](https://www.fifty-five.com/case-study/webhelp-perfecting-b2b-sales-with-generative-ai)
E-BOOK
Lorem ipsum dolor sit amet, consectetur adipiscing elit. In interdum tempus augue. Donec malesuada lacus aliquam justo rutrum consequat.
Avril 2024
[Découvrez l'étude >>>](https://www.fifty-five.com/case-study/how-does-leroy-merlin-france-measure-and-optimize-its-marketing-and-media-actions-in-an-omnichannel-logic-thanks-to-an-internalized-media-mix-modeling-platform)
STUDY "A deep dive into the enviromental cost of Gen AI"
This study, conducted by The Brandtech Group in collaboration with fifty-five and Scope3, provides a data-driven analysis of Generative AI's carbon footprint in marketing to drive responsible adoption and measurable mitigation.
[DOWNLOAD THE REPORT >>>](https://sustainability.thebrandtechgroup.com/#whitepaper)
N E W S & I N S I G H T S
Our latest e-books
[Find all our e-books >>>](https://www.fifty-five.com/news-insights)
[](https://resources.fifty-five.com/en/carbon-footprint-study-2024?hsLang=en)
E-BOOK October 2024
The carbon footprint of websites & measurement tools
fifty-five has released a new study on the footprint of websites and web analytics tools, in open-source. Discover the study, the calculation methods, and the recommendations for reducing your carbon footprint.
[Read the e-book >>>](https://resources.fifty-five.com/en/carbon-footprint-study-2024?hsLang=en)
[](https://resources.fifty-five.com/carbon-footprint-study-2023?hsLang=en)
E-BOOK December 2023
The carbon footprint of media campaigns
fifty-five produced the first public study on the carbon footprint of major advertising channels, with the associated methodology, focusing on the digital sector.
[Read the e-book >>>](https://resources.fifty-five.com/carbon-footprint-study-2023?hsLang=en)
[Voir tous nos articles >>>](https://www.fifty-five.com/news-insights)
N E W S & I N S I G H T S
Our latest events
[Find all our events >>>](https://www.fifty-five.com/news-insights)
[](https://resources.fifty-five.com/en/carbon-footprint-study-2024?hsLang=en)
LINKEDIN LIVE April 2026
How to Deploy AI Responsibly
fifty-five, in partnership with Sweep, discussed the operational keys to sustainable AI, sharing how eco-design best practices — such as model selection and prompt caching — can reduce the carbon footprint of AI projects by a factor of four..
[Watch the replay >>>](https://www.linkedin.com/posts/%F0%9D%97%A6%F0%9D%97%B6-%F0%9D%97%B9%F0%9D%97%B6%F0%9D%97%BB%F0%9D%98%81%F0%9D%97%B2%F0%9D%97%B9%F0%9D%97%B9%F0%9D%97%B6%F0%9D%97%B4%F0%9D%97%B2%F0%9D%97%BB%F0%9D%97%B0%F0%9D%97%B2-%F0%9D%97%AE%F0%9D%97%BF%F0%9D%98%81%F0%9D%97%B6-ugcPost-7444715777330630656-ksIi/?utm_source=share&utm_medium=member_desktop&rcm=ACoAABbexTUBJp5N2pow3jF-RRDBUeKYPhg77lY)
[](https://resources.fifty-five.com/carbon-footprint-study-2023?hsLang=en)
WEBINAR December 2025
What is the environmental impact of AI, and how can it be managed?
Sami hosted fifty-five’s Agathe Gourhannic and OVHcloud’s Grégory Lebourg to discuss the carbon footprint of Cloud and Generative AI, focusing on measurement methodologies and actionable paths toward sustainable tech infrastructure.
[watch the replay >>>](https://www.youtube.com/watch?v=ubsKuLXChc4)
[](https://www.digitalinformationworld.com/2022/06/new-study-analyzes-real-carbon-cost-of.html)
PR May 2025
Reducing AI’s Environmental Footprint: Myth or Reality?
Read our blog article on how to achieve a 'Factor 4' reduction in your AI project’s carbon footprint.
[read full article >>>](https://www.fifty-five.com/tea-house/reduire-limpact-environnemental-de-lia-reve-ou-realite)
[Voir tous nos articles >>>](https://www.fifty-five.com/news-insights)
N E W S & I N S I G H T S
Our latest news
[Find all our articles >>>](https://www.fifty-five.com/news-insights)
[](https://resources.fifty-five.com/en/carbon-footprint-study-2024?hsLang=en)
ARTICLE July 2026
Generative AI: the cost of a poor prompt
While GenAI promises to boost efficiency, poor prompting is secretly killing productivity and driving up energy bills. Agathe Gourhannic, Sustainability Consulting Manager at fifty-five, argues that prompting must evolve from a simple tech trick into a core managerial skill.
[READ FULL ARTICLE >>>](https://fr.themedialeader.com/ia-generative-le-cout-dune-mauvaise-requete/)
[](https://resources.fifty-five.com/carbon-footprint-study-2023?hsLang=en)
NEWS February 2026
Elevating climate commitement: our first CDP disclosure
After multiple years of rigorous carbon reduction efforts, fifty-five has reached a major milestone. By officially disclosing our environmental performance via CDP, we are reinforcing our commitment to transparency and data-driven sustainability.
[Find out where we stand >>>](https://www.linkedin.com/posts/%F0%9D%97%98%F0%9D%97%B9%F0%9D%97%B2%F0%9D%98%83%F0%9D%97%AE%F0%9D%98%81%F0%9D%97%B6%F0%9D%97%BB%F0%9D%97%B4-%F0%9D%97%B0%F0%9D%97%B9%F0%9D%97%B6%F0%9D%97%BA%F0%9D%97%AE%F0%9D%98%81%F0%9D%97%B2-%F0%9D%97%B0%F0%9D%97%BC%F0%9D%97%BA%F0%9D%97%BA%F0%9D%97%B6%F0%9D%98%81%F0%9D%97%BA%F0%9D%97%B2%F0%9D%97%BB%F0%9D%98%81-share-7424407653252083713-8sPB?utm_source=share&utm_medium=member_desktop&rcm=ACoAABbexTUBJp5N2pow3jF-RRDBUeKYPhg77lY)
[](https://www.digitalinformationworld.com/2022/06/new-study-analyzes-real-carbon-cost-of.html)
NEWS January 2026
fifty-five is now an official partner of Sweep!
We are thrilled to announce our partnership with Sweep, aimed at helping our clients manage their ESG strategy with the same precision as their marketing campaigns.
[Explore our press coverage >>>](https://www.digitalinformationworld.com/2022/06/new-study-analyzes-real-carbon-cost-of.html)
[Voir tous nos articles >>>](https://www.fifty-five.com/news-insights)
Why choose us?
Composed of PhDs, researchers, doctoral students, and operational masters, fifty-five's data science team uses its knowledge and creativity to find custom solutions for our clients' challenges, no matter their complexity.
From determining conversion probability per user to ensuring the right content is shown to the right potential customer to use case automation and performance-improving algorithm development, our data scientists can meet every challenge head-on, backed by the power of data.
[Request an audit >>>](http://www.fifty-five.com/contact)
R E S E A R C H & I N N O V A T I O N
Our innovations and collaborations
[Check all our articles >>>](https://www.fifty-five.com/tea-house/data-science-fifty-five)
[](https://medium.com/towards-data-science/famd-how-to-generalize-pca-to-categorical-and-numerical-data-2ddbeb2b9210)
MEDIUM March 2024
FAMD: How to generalize PCA to categorical and numerical data
By William Blaufuks
[>>>](https://towardsdatascience.com/famd-how-to-generalize-pca-to-categorical-and-numerical-data-2ddbeb2b9210)
[](https://www.fifty-five.com/tea-house/libsearch-empowering-intranet-using-generative-ai-and-retrieval-augmented-generation)
DATA SCIENCE March 2024
LibSearch I Empowering Intranet using Generative AI and Retrieval Augmented Generation
By Bastien Chappis
[>>>](https://www.fifty-five.com/tea-house/libsearch-empowering-intranet-using-generative-ai-and-retrieval-augmented-generation)
[](https://www.fifty-five.com/tea-house/de-0-a-chatgpt-partie-4)
GENERATIVE AI March 2024
De 0 à ChatGPT - Partie 4
By Romain Warlop
[>>>](https://www.fifty-five.com/tea-house/de-0-a-chatgpt-partie-4)
[Check all our articles >>>](https://www.fifty-five.com/tea-house/data-science-fifty-five)
T H E T E A M
Discover our expertise
Present since fifty-five’s foundation and central to its operations, our team is composed of various profiles, all sharing a true passion for data and a strong background in \[behavioral?\] science and mathematics. Meet Romain Warlop, Data Science Director and PhD, \[Name + Title + Expertise\] x 3 and many more. Their combined expertise ensures that fifty-five’s solutions stay grounded in data science and evolve all the more efficiently for it.
[Request an audit >>>](http://www.fifty-five.com/contact)
C O N T A C T U S
A question? Tell us everything!
To find out more about how fifty-five can help you manage and reduce your environmental impact, please contact us using the form below.
[Contact us >>>](http://www.fifty-five.com/contact)
[](https://www.fifty-five.com/)
[Services](https://www.fifty-five.com/services)
[Case studies](https://www.fifty-five.com/case-studies)
[new & insights](https://www.fifty-five.com/news-insights)
[about us](https://www.fifty-five.com/about)
[Join us](https://www.fifty-five.com/career)
[Blog the tea house](https://teahouse.fifty-five.com/en/)
[Contact](https://www.fifty-five.com/contact)
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