Together, they dreamt up plans for a mosaic planter and art wall beside the river. "The name of the project is called River of Welcome and in Spanish, Rio de Bienvenida," Weiss said.

Knowledge is power. But as environmental art continues to draw our attention to facts, it is to be hoped that artists also embrace the messiness of aesthetic experience, from revulsion to attraction.

At Art Basel, a Famed Poem as an Allegory for the Environment Gallery Baton of South Korea is drawing inspiration from Dylan Thomas with artworks that reflect on the challenges of climate change.