STAND FOR THE PLANET
At Diesel, we’ve never been afraid to take a stand, even when it means holding ourselves to account and rethinking how we operate as a business. The climate crisis requires urgent action, and we need to work towards limiting global warming to 1.5 degrees. In 2020, Diesel joined The Fashion Pact, followed by OTB Group in 2022. Additionally, the OTB Group has responded to the call to action of the Science Based Targets Initiative (SBTi), sending a commitment letter in 2021 to define targets in line with the “1.5°C scenario”. In 2023, the Group's reduction targets have been validated. Read more on our SBTi commitment at the link. (link to OTB website: https://www.otb.net/en/reducing-climate-impact)
ENERGY & EMISSIONS
100% of the electricity used at Diesel’s headquarters comes from renewable sources, partly generated by our own photovoltaic systems. In 2024, we installed an additional photovoltaic system, tripling our on-site solar power capacity. Green roofs and energy-efficient design features have also contributed to the building achieving an A rating on its Energy Performance Certificate (EPC).
We are measuring energy performance across our operations and setting targets to reduce energy consumption and emissions, in line with OTB Group objectives (https://www.otb.net/en/reducing-climate-impact). In 2025, 84% of the electricity purchased for Diesel’s offices and stores worldwide came from renewable sources and was backed by Guarantees of Origin (GOs), up from 72% in 2024. Over the same period, our sites reduced their overall electricity consumption by 5%.
In 2025, all electricity purchased for Diesel’s offices worldwide, as well as for its stores in the United States and Europe, came fully from renewable sources.
Diesel was also the first brand within the Group to obtain LEED® Gold certification for Building Design and Construction, awarded to its London offices, its store in New York’s SoHo district and its Milan showroom. In 2025, the Diesel store in Shibuya, Tokyo, also achieved LEED® Gold certification.
OUR PRODUCTS
We are aware that our biggest impact comes from the products we make, which is why we have been working in the way we design, source and innovate over the past few years. In 2025 we reached 41% of preferred raw materials (see the "preferred raw materials matrix") purchased, compared to 32% in 2024. This is one of the directions we are working on to reduce our emissions in line with OTB Group climate objectives.
Furthermore, considering the volume of cotton that we purchase annually, in 2025 we joined the Unlock Program. The Unlock Program developed by The Fashion Pact and the consultancy firm "2050" promotes the decarbonisation of the cotton supply chain while advancing climate justice and easing the financial burden on farmers. It offers training and financial support to help farmers measure GHG emissions, report on their consumption and adopt emission-reduction practices. The program provides financial incentives (so-called “Unlock Units”) equivalent to 1 tCO₂e eachs; brands purchase credits based on cotton purchases in regions where the program is active, and can then offset their indirect Scope 3 emissions (aligned with the SBTi, CDP, GHG Protocol LSRG and Value Change Initiative). Over 80% of the proceeds go to farmers. By the end of 2025, the program had involved 20,000 farmers in India and the USA, and expansion into other cotton-producing countries is currently under consideration. Since 2024, Diesel has been a member of The Fashion Pact’s working group on this topic; in 2025 it purchased its first 317 Unlock Units to offset Scope 3 Category 1 emissions (Purchased Goods and Services) associated with all conventional cotton yarn of Indian origin purchased during the year, so supporting farmers in developing decarbonization projects.
PARTNERSHIPS
A JOURNEY TO MAKE TOGETHER
The road to net-zero requires radical transformation and the collective action of our suppliers, partners and peers. We are proud to partner with the following organisations who are driving change across the industry and helping us on our journey.
Leather Working Group
At Diesel, we are committed to supporting responsible leather manufacturing across the globe and that is why we are proud members of Leather Working Group (LWG) The Leather Working Group is a not-for-profit that drives best practices and positive social and environmental change for responsible leather production.
ZDHC Roadmap To Zero
Creating our iconic Diesel distressed look has traditionally used treatments that are intensive in water and chemical use. We are proud to be part of the ZDHC (Zero Discharge of Hazardous Chemical) initiative, which included the MRSL(Manufacturing Restricted Substances List). ZDHC's Roadmap to Zero Programme leads the fashion industry to eliminate harmful chemicals from its global supply chain by building the foundation for more sustainable manufacturing to protect workers, consumers and our planet’s ecosystems.
THE FASHION PACT
The Fashion Pact is a global coalition of companies in the fashion and textile industry (ready-to- wear, sport, lifestyle and luxury) including their suppliers and distributors, all committed to a common core of key environmental goals in three areas: stopping global warming, restoring biodiversity and protecting the oceans. Launched as a mission given to Kering Chairman and CEO, François-Henri Pinault by French President, Emmanuel Macron, the Fashion Pact was presented to Heads of State at the G7 Summit in Biarritz. Additionally, since 2023, Diesel has also joined The Fashion Pact's “Unlock Platform” project to set up a collective sourcing platform that helps farmers make the transition to lower-impact cotton.
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