Artificial intelligence is one of today’s defining technologies, yet public conversation rarely captures its full potential. Headlines often focus on automation, job losses or the rapid rise of generative AI. At the same time, important questions are being asked about the environmental impact of large-scale computing, the energy demands of data centres and the responsibility that comes with developing increasingly powerful technologies.

Those are important conversations to have, but they represent only part of a much bigger picture.

One of the biggest misconceptions about doctoral research is that every postgraduate researcher arrives with a fully formed research proposal and a clear plan for the next four years. In reality, the process is often much simpler: a question might spark your curiosity, or you see an opportunity to address a problem you've encountered in your career or improve the way something works.

That initial wondering is enough.

Ask postgraduate researchers what has made the biggest difference to their experience on the SustAI programme and the conversation quickly moves beyond the research itself. Time and again, they describe a community where supervisors encourage curiosity, ideas are shared openly and learning extends far beyond individual research projects.

The future won't be shaped by artificial intelligence or sustainability in isolation. Increasingly, the two are becoming inseparable and the questions facing society today are too complex to sit neatly within a single discipline.

How do we reduce congestion without creating new environmental problems? How do we generate and store clean energy more efficiently? How do we protect biodiversity, reduce waste and make better use of the resources we already have? These are human challenges as much as technological ones, demanding new ways of thinking as well as new ways of working.

It's an interesting question because most of us instinctively picture the same sort of person. Someone who has always excelled academically, sailed through university and always known exactly what they wanted to research.

Spend a little time with the postgraduate researchers on the SustAI programme, however, and that picture quickly begins to change.