The art: Eliot Porter, Balsam Spruce Forest, North Carolina Side of Clingman’s Dome, Great Smoky Mountains National Park, North Carolina, May 11, 1968, 1968.

The news: It’s Earth Day. More Eliot Porters and more on his photography and photography’s role in America’s environmental movement here on Modern Art Notes.

The source: Collection of the Amon Carter Museum.