The other day, as I boarded a budget airline plane to attend a conference in Spain, I was overcome with a feeling I’ve come to recognise: carbon-footprint guilt. As a PhD student, this would be my first international conference, an exciting chance to meet fellow researchers in my field – feminism and gender studies – and discuss topics we care about. But as I sat chatting casually with other academics headed the same way, I couldn’t help but worry about…