Wednesday 15th March 2017, 5.50pm (day 2,029)
On evenings like this it is as if the flight paths are creating some kind of tapestry. There is the latest weave going in, from top left. We humans seem to have found various ways to fiddle with the climate, and these artificial clouds are just another example of that, but they’re so everyday now, do we even think about them as much as we should?
