PN: Tell us a bit about yourself: your background and how you got interested in climate change issues?
ML: I've been fascinated by the natural world since I can remember - especially untouched places like mountains. I think the realisation of so much wild beauty being destroyed was my first impetus.
When I was at university I edited an environment page in the student newspaper, and I remember being furious about the M3 [motorway] cutting at Twyford Down at the time -…