[Vlog] Visit to Nankai University in Tianjin – 南开大学

I had the privilege of visiting Nankai University in Tianjin, one of China's founding research universities and, increasingly, one of its most important hubs for sustainability systems science. The occasion was a seminar on zero-carbon buildings under urban heat stress: how urban microclimate redefines decarbonization pathways and why the same certified ZCB performs very differently depending on where it sits, in a European low-rise district or a Chinese high-rise urban fabric.

What stayed with me most was not the scale of the research environment, though it is impressive. It was the precision of the questions.

🔬 Meeting Prof. @Zhi Cao and the Industrial Ecology Community at Nankai

The highlight of the visit was a deep exchange with Prof. Zhi Cao and his research group at the College of Environmental Science and Engineering. Prof. Cao works at the frontier of industrial ecology, a field that treats the built environment, material flows, and infrastructure systems as one interconnected metabolic system rather than isolated engineering problems. His community at Nankai is one of the most active in the world on questions like:

• material stock and flow analysis at national and planetary scale

• circular construction materials and the global sand economy

• decarbonization pathways for China's cement and pavement industries

• climate risks to infrastructure systems

• carbon storage potential in the built environment

What makes this group distinctive is not just the depth of individual projects, but also the culture of quantitative systems thinking that connects engineering decisions directly to long-term environmental consequences. Industrial ecology at its best does not describe problems. It measures them, models them, and proposes pathways that policymakers can actually use.

🤝 A Research Collaboration Taking Shape

Our exchange opened a concrete research direction that connects directly to the presentation I gave. The ZCB work I presented in Tianjin, comparing European 5GDHC systems against Chinese high-rise district energy challenges, and tracing how the carbon intensity of the electricity grid determines whether a heat pump building is actually zero carbon or not, maps directly onto the infrastructure decarbonization and urban metabolism questions Prof. Cao's group is already advancing.

The potential for joint work on LCA-based carbon accounting across building systems, urban morphology, and national grid decarbonization trajectories is real and tangible. We are exploring it seriously.

🌏 Why Tianjin is the right place for this conversation

Tianjin is not an abstract case study. It is a coastal industrial city characterized by heavy industry, large-scale urbanization, logistics infrastructure, and energy-intensive manufacturing, all under growing climate pressures. It is exactly the kind of context where zero-carbon building strategies face their hardest test, and where the gap between certification and real performance is widest. For any researcher working on decarbonization, circularity, or infrastructure transition, spending time here sharpens your thinking in ways that conference proceedings simply cannot.

🎓 A note for future Master's and PhD students

If you are considering doctoral or postdoctoral research in China, Nankai offers something genuinely rare: access to large-scale real-world datasets, strong, structured supervision, direct connection to the national decarbonization strategy, and an interdisciplinary community that takes industrial ecology seriously as a systems science, not a buzzword.

The learning curve is steep. The intellectual return is substantial.

🙏 Sincere thanks to Prof. Zhi Cao, Prof. Chu, and the entire team of postdocs, doctoral, and Master's students at the College of Environmental Science and Engineering for the warm welcome, the rigorous discussions, and the genuine openness to collaboration across very different research cultures.

The future of sustainability research will be built on exactly these kinds of international bridges, connecting material science, infrastructure engineering, energy systems, and climate policy into one coherent research practice. I look forward to what we build together.

📽️ Watch the academic vlog about the visit 👉 https://www.youtube.com/watch?v=AejqDBkBCiY&t=27s

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