Descending Ben Cruachan (1,126 metres / 3,694 ft) on Scotland’s west coast, in the midst of a UK heatwave, I encountered a dried-out riverbed. Following its path, I traced the stone’s revelations of the passage of water across its surface. The last traces of moisture glistened in the sunlight.

Printed using the Piezography technique, which employs carbon-based inks, this seemingly simple observation reflects, both materially and conceptually, on the ecological consequences of carbon-based economies.