Art has the power to activate learning and emotion in unique ways--this is true of humans generally, and museum visitors specifically. Yet art galleries are often overlooked in the museum field as forums for dialogue and sites of learning about climate change. This article investigates the significance of artist-led projects and art museum exhibitions in engaging visitors with issues of climate change and greater planetary change through the lens of the Art Gallery of Ontario's "Anthropocene" exhibition featuring the work of Edward Burtynsky, Jennifer Baichwal and Nicholas de Pencier and the related Anthropocene Project by the same trio of artists.