GCC: We are all deeply concerned about the climate crisis, but can you pinpoint a moment when thinking about your environmental footprint changed gear, and went from important to urgent; passive to active?
PH: Nothing I have done, or not done, has made any appreciable difference. But trying to fly less may be the least unimportant. Even though its use has enabled me to do what I do.
GCC: We asked to choose an image that is particularly meaningful to you when thinking about the environment. What have you chosen and why have you chosen it?