For the past few years, Pamela Rosenkranz has made works that bring together an engagement with the ecosystems of the Amazon and the story of the business and technology giant of the same name—the paradigm of contemporary consumerism. Taking up both of these threads, the installation in her show at Karma International’s recently inaugurated new gallery in Zurich, Amazon Spirits (Green Blood), 2018, was as subtle as it was stunning.

Greenish light from ceiling-mounted LED panels picked out various objects: a plastic sheet on an office chair and another one, crumpled up, on a cardboard box;