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SUSTAINABILITY
MMG understands that sustainability is the efficient combination of economy and ecology.
For us, the responsible use of resources already started with the company building in Mayen, which was newly constructed in 2017, taking into account ecological, economic and social aspects, equipped with the latest technology and operated efficiently using only renewable energies.
Conversion of the vehicle fleet
Most of the MMG fleet has already been converted to hybrid and fully electronic drive technology and the in-house electric charging stations are also available to our visitors for charging their vehicles.
Low C0₂ emissions in production
The extraction of primary aluminium products from alumina is very energy-intensive process and plays a significant role in MMG's trading portfolio. Conscious of our global responsibility, we take care to purchase from producers with low CO2 emissions. Our suppliers mainly produce with energy from hydro and wind power. We can deliver our products to our customers with the appropriate certificates.
Use of recycled materials
Sustainability is also expressed as part of MMG's mission statement through our strong commitment to the secondary aluminium market. Aluminium scrap is disposed of by our customers and picked up in the market for efficient reuse. Our products are thus manufactured in various remelting plants using one hundred percent recycled material.
Efficient combining of
economy and ecology
Resource-saving and low-carbon production is becoming ever more important for the trade and use of aluminium products. Customers are increasingly expressing the desire for a sustainable supply. MMG actively supports this by developing and implementing recycling concepts that not only help the customer to benefit economically from the use of the scrap produced, but also allow them to act ecologically and responsibly in the process.
Sustainability is more than just a promise to us - it is a commitment we put into practice.
Our Local Commitment
Climate change poses profound challenges to the forests of Central Europe—and thus also to the Mayen City Forest: droughts, storms, bark beetle infestations, invasive pests, and heavy rainfall are increasingly taking their toll on ecological systems. In particular, the spruce stands planted extensively in earlier decades are severely damaged or have already died.
The city of Mayen manages approximately 1,700 hectares of municipal forest and has been pursuing a consistently sustainable, future-oriented forest strategy for many years. The goal is to establish a stable, climate-resilient mixed forest—with a high proportion of native deciduous trees and conifers suited to the site. The focus is not on short-term economic returns, but rather on ecological function, the preservation of biodiversity, the protection of natural resources, and the long-term usability of the forest.
A key component of this strategy is what is known as natural regeneration: the forest regenerates on its own - that is, using the genetic material of trees that have already grown for generations under the specific conditions of the site. This ensures that the young stand is highly adaptable and avoids the risks associated with genetically unsuitable non-native plants.
This natural forest development is supplemented by targeted plantings using locally sourced seeds—primarily Douglas fir and silver fir, two conifer species that have already proven themselves in the Mayen Forest under changing climatic conditions. For this labor-intensive form of forest regeneration, the city relies on long-term partnerships. We support these measures with regular financial assistance.
As a major player in the aluminum industry, we are mindful of our environmental responsibility. The production, processing, and transportation of aluminum products are associated with significant CO₂ emissions—particularly in the logistics sector, for example through truck and ship transport of several thousand tons annually. Even though the Mayen City Forest does not issue official CO₂ certificates, supporting regional reforestation efforts represents a credible and tangible way to combine carbon offsetting with corporate responsibility.
Through our commitment, we not only contribute to climate protection and the enhancement of regional biodiversity, but also take on local responsibility—visibly, transparently, and effectively. The supported measures not only improve the carbon footprint but also enhance the forest’s role as a recreational and leisure space for the people of Mayen and the surrounding region.
This partnership demonstrates that sustainability begins right on our doorstep—and extends far beyond the city limits.


Our Global Commitment
We go one step further: Through targeted investments in high-quality climate protection projects, by 2025 we will not only have successfully offset over 2,100 tons—or 50%—of our reported CO₂ emissions, but we will also be contributing to 10 of the 17 UN Sustainable Development Goals. These initiatives promote renewable energy, protect valuable ecosystems, and sustainably improve living conditions for people worldwide.
In doing so, we are sending a strong signal in support of active climate protection.
We support the following climate protection projects:
Mangoli Wind Power Project, Indien
Mytrah Wind Power, Indien
Bundled Solar Photovoltaic Project By ACME, Indien
National Bio Energy Changtu Biomass Power Plant, China
Renewable Energy From Biomass UPPPL India Andhra Pradesh, Indien
Burn Stoves Project Jikokoa, Kenia
TOYOLA Promoting Improved Cooking Practices, Nigeria