Perhaps the central question about [Eliot] Porter's work is about the relationship between science, aesthetics, and environmental politics. His brother, the painter and critic Fairfield Porter, wrote in a 1960 review of [Porter's] colour photographs: 'There is no subject and background, every corner is alive,' and this suggests what an ecological aesthetic might look like.

I told the students that they were at the age when they might begin to choose places that would sustain them the rest of their lives, that places were more reliable than human beings, and often much longer-lasting, and I asked them where they felt at home.