The Watershed Alliance of Southwest Washington will offer a free screening of “Native Seeds: Supplying Restoration,” from 4:30 to 7 p.m. March 25 in the Columbia Room at the Vancouver Community Library, 901 C St., Vancouver. This is a nine-part video series that explores the native seed supply chain in the western United States.. Pizza will be provided, including gluten-friendly and vegan options. Attendees should bring their own water bottles. Register at thewatershedalliance.org/?portfolio=film-series.