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.

A path is a prior interpretation of the best way to traverse a landscape.

I was not going to surrender to the status quo and corporate insistence that ordinary people have no power and influence.

I roam around a lot in my territory, but what I learn at one end inflects and opens up my understanding at the other.

Solitude in the city is about the lack of other people or rather their distance beyond a door or wall, but in remote places it isn’t an absence but the presence of something else, a kind of humming silence in which solitude seems as natural to your species as to any other, words strange rocks you may or may not turn over.

For [Jane Austen and the readers of Pride and Prejudice], as for Mr. Darcy, [Elizabeth Bennett's] solitary walks express the independence that literally takes the heroine out of the social sphere of the houses and their inhabitants, into a larger, lonelier world where she is free to think: walking articulates both physical and mental freedom.

For millions of years, this world has been a great gift to nearly everything living on it, a planet whose atmosphere, temperature, air, water, seasons, and weather were precisely calibrated to allow us - the big us, including forests and oceans, species large and small - to flourish.