“What the hell is a climate migrant? I don’t know,” Dominic Kniveton, a professor of climate change and society at the UK’s University of Sussex, says with a hint of a smile. “That all depends on who is asking and who is determining the rules.” Immigration and climate change are two hot-topic political issues – with concerns about the former fuelling far-right gains in the EU’s recent election, as some voters back tougher rules. The climate crisis is slowly making more and more places uninhabitable due to extreme weather and a lack of ways to make an income, and it’s often assumed this will le…