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to the overview Carbon Emissions

Decarbonization of construction

Step-by-step departure from fossil fuels as the path to the goal: CO2-free by 2040
Photo of the installation of a solar system © STRABAG

he immense global emissions of carbon dioxide (CO2 ) and other greenhouse gases in the atmosphere are causing progressive global warming and the associated climate change. The reason for this is a widespread global economy and way of life that is still largely based on the use of fossil fuels. As an energy-intensive industry, the construction sector has a significant share in global CO2 emissions.

This means that it also plays a key role in the necessary decarbonization in the fight against climate change. As a leading construction company, STRABAG is taking on this challenge and actively assuming responsibility for CO2 emissions over the life cycle of construction.  

What we are doing to decarbonize our value chain.

STRABAG wants to systematically reduce its CO2 emissions at all stages of the value chain: five examples of projects and topics that we are working on - together with our partners and clients.

Photo of the Eigenrieden quarry

Eigenrieden quarry

Goodbye, diesel: with PV, electric drives and HVO, we want to make the extraction of raw materials in Eigenrieden climate-neutral.
More about the Eigenrieden quarry
Bird's eye view of the installation of CO2-reduced concrete at the Alb100 construction project

CO2-reduced concrete

Less is more: STRABAG's TPA competence center is researching alternatives to the CO2-intensive concrete binder cement.
More about CO2-reduced concrete
Photo of the visualization of the subway station of the modern U5 in Hamburg

U5 Hamburg

ZÜBLIN is helping to build the new subway line, the construction of which follows a strict CO2 reduction timetable.
More about the U5 Hamburg
Photo of the new ZÜBLIN Group building: Alb10

Innovation Center Stuttgart

Focus on sustainability: For example, we only used CO2-reduced concrete for all in-situ concrete parts of our new Group building.
More about the Innovation Center in Stuttgart
Photo of the Diabaswerk Saalfelden plant site, Austria

Saalfelden quarry

Innovation meets sustainability: In the Saalfelden quarry, STRABAG uses the heavy weight of the stones to generate renewable energy.
More about the Saalfelden quarry

What does decarbonization mean?

With our sustainability strategy adopted in 2021, we have set ourselves the ambitious goal of achieving climate neutrality across the entire construction value chain by 2040 - from raw material extraction to building operation. Of course, not everything is in our hands alone. Decarbonization is - simply explained - the path to the goal. This means systematically substituting and reducing fossil fuels by using climate-friendly, ideally CO2 -neutral alternatives - in short, saying goodbye to oil, coal and natural gas as energy sources. This is a huge challenge that we can only master together: in cooperation with our clients and partner companies in the supply chain, legislators and authorities.

CO2-neutral construction as a goal

Decarbonization is a high strategic priority for STRABAG. We are pulling out all the stops across the Group to minimize CO2 emissions, or at best to avoid them altogether. Our decarbonization measures are diverse: For example, we are systematically focusing on the use of renewable energies (photovoltaics, wind power, etc.). Together with partners, we are driving forward the testing of innovative and sustainable drive concepts and fuels (e.g. green hydrogen, electric, HVO diesel) for construction machinery. We are gradually electrifying our vehicle fleet and pursuing high decarbonization targets in the planning and construction of new Group buildings, for example by optimizing energy requirements and consumption. And together with our clients, we are implementing construction projects with targeted climate-friendly building materials (e.g. wood, CO2 -reduced concrete and steel).