The fog is Sanmartino’s veil; you can’t see the river, even though it’s immense: Italy’s largest river basin, its greatest waterway, its most extensive agricultural region, and its most developed industrial area. A delicate balance between ecosystems: the result of struggles and collaborations between natural forces and human ingenuity. But everything is changing rapidly: climate change is palpable. It is the people who are feeling it—those who live in harmony with the great Po: how, in practical terms, are they experiencing this change?