The marine biologist’s new book describes his lifelong love affair with the oceans, and the grave threat undersea life faces
Callum Roberts is professor of marine conservation at York University and was chief scientific adviser on Blue Planet 2. His new book, Reef Life, details a life spent in the oceans studying the marine ecosystem.
How was your first dive?
It was in the north of Scotland, where I grew up. I dived out of Scrabster harbour near Thurso and I had no idea then just how bruised and trashed and scraped the whole sea had become, and how much life had been removed from it over the centuries. I was in a wetsuit that I’d glued together at home. A wetsuit should hug every curve, but this one didn’t. It was bloody cold.
5.4 metres: highest likely sea level rise by 2300, if global carbon emissions are not cut.