One of the most remarkable things about living through a permacrisis is how much seems to go on as normal. Art exhibitions, for example, continue to get organized amid deranging heat, the lurid smoke of forest fires, and the wet wreckage of floods. In Venice, the precarious lagoon city now heavily reliant on a high-tech flood barrier system, two shows are currently on view that propose methods for curating art in this atmosphere of environmental collapse and change. Weather as metaphor, weather as context, weather as catalyst and catastrophe. There are a lot of exhibition-making strategies being tested in Dieter Roelstraete’s rangy “Everybody Talks About the Weather” at Fondazione Prada, but the show bears some relationship to the “report.” An LED screen with a grid of television weather forecasts from around the world is installed in the foyer, where a collection of glossy professionals with blow-dried hair gesture in front of colorful maps. This motif—newsy, mediatic, even a little silly—is echoed in the exhibition’s information panels, which resemble newspaper front pages with headlines, data, and “stories” about the artworks on show. This is the third in a series of major exhibitions across Prada’s venues that have marked a turn towards …