ISO 45001 Certification: A Strategic Milestone in Occupational Safety

At TABERG Ingenieure GmbH – part of SIERA, occupational health and safety is not treated as a standalone obligation—it is a fundamental element that shapes how engineering solutions are planned, executed, and continuously improved. The successful certification according to DIN EN ISO 45001, awarded by the Institut für Auditierung und Zertifizierung GmbH (infaz), marks a […]
Energy Transformation in Logistics Real Estate: Recap of the SIERA Impact Webinar

On 17 March 2026, Raphael Thiessen, Key Account Manager for Brownfield & Site Development at SIERA, presented practical strategies and experiences for energy transformation in logistics real estate as part of the SIERA Impact Webinar Series. The event provided in-depth insights into the integration of renewable energy, technical site assessments, and the development of structured […]
Kick-Off 2026 in Gotha: Laying the Foundation for a Successful Year

At the end of January 2026, M&P Water GmbH – part of SIERA brought together colleagues from all its locations for its annual kick-off event in Gotha. The two-day gathering marked the official start of the new business year and reaffirmed the company’s commitment to collaboration, strategic clarity, and sustainable growth. As a specialized engineering […]
Transforming Urban Brownfields: From Risk to Sustainable Urban Value

Introduction: Unlocking the Potential of Urban Brownfields Urban brownfields, former industrial, commercial, or infrastructure sites, represent one of the greatest untapped opportunities in sustainable city development. Across Europe, thousands of contaminated sites remain underutilized, posing environmental, economic, and social challenges. Through the SIERA Impact Webinar series, experts from the SIERA Alliance regularly share insights on […]
Improved performance thanks to modern laboratory equipment

As the complexity of infrastructure and construction projects increases, so does the need for precise, reliable and efficient geotechnical baseline data. Today, accurate ground investigations are a key prerequisite for structural safety, economic efficiency and long-term project success. In modern project environments, speed, traceability and consistency of data are expected in addition to accuracy. Traditional […]
Geothermal energy for the new centre of Monheim

Sustainable energy supply for a new urban neighbourhood The development of modern urban neighbourhoods presents cities and project developers with a key challenge: How can a sustainable energy supply be integrated right from the planning phase? A current example of this approach is the Redesign of the centre of Monheim, which is centrally located on Rathausplatz in […]
Nitrate pollution of surface waters and groundwater due to industrial agriculture

The quality of our water resources is a key indicator of the condition of ecosystems and sustainable land use. In Germany and Europe, the monitoring of nitrate concentrations in groundwater and surface waters plays a crucial role in assessing the impact of agricultural activities and developing suitable water protection measures. Analysing and reducing nitrogen emissions […]
Net-Zero Land Consumption by 2050: Why Brownfields Are the Key

Daily land consumption for settlement and transport in Germany currently amounts to around 56 hectares – equivalent to approximately 220 km² per year. To achieve the political and societal goal of net-zero land consumption by 2050, a fundamental shift in strategy is required: away from new land sealing and toward the intelligent reuse of previously […]
Brownfield Development Reimagined: Unlocking Hidden Potential with SIERA

Brownfields are no longer liabilities, they are the foundation of sustainable urban transformation. In our recent SIERA Impact Webinar, Raphael Thiessen explored how underutilized land can be converted into high-value, future-ready assets through integrated environmental engineering, digital tools, and ESG-aligned strategies. This session highlighted a clear message: the future of land development lies in rethinking […]
Brownfield Revitalization: A Strategic Opportunity for Sustainable Land Use in Europe

Across Europe, land is becoming an increasingly scarce and contested resource. Rapid urbanization, climate targets, infrastructure expansion, and renewable energy development are increasing pressure on available land. As a result, governments, investors, and planners are increasingly focusing on brownfield redevelopment—the transformation of previously used or contaminated land into productive and sustainable spaces. These developments were […]