In this interactive online course, you'll receive a concise, practical overview of sustainability at voestalpine Railway Systems in 60-90 minutes, from basic concepts to future technologies. In five modules with videos, quizzes, hotspots, and flashcards, we'll explain the three pillars of sustainability, concepts such as ESG, SDGs, and materiality analysis, and demonstrate how sustainability is implemented in a business context. You'll also learn about key frameworks like the GHG Protocol (Scope 1–3) and CSRD, and discover how topics such as supply chain, circular economy, LCA/EPD, and the transformation of steel production (e.g., greentec steel, HYFOR/SuSteel and current research projects like Hy4Smelt) are connected.