Art at the Cave, 108 E. Evergreen Blvd., Vancouver, invites artists to contribute works to its upcoming show, “Greenbelt and Crystal Clear Water,” April 1-29. The exhibit is a fundraiser for the Watershed Alliance of Southwest Washington. Entries are due March 8. The gallery will contribute the artists’ commission to the Watershed Alliance. The artist may choose to contribute all, part or none of their profit to the cause. This is a juried show. Artists should submit an email with their names, photos of their works and statements describing how the works relate to the show’s theme, as well as medium and size. If submitting video, include a link to the entire video. Each person may submit up to three works for consideration. A nonrefundable $15 entry fee will be charged. Complete details are available at artatthecave.com/open-calls-1.