Ripple Impact NW will host a presentation, “Charitable Tools for Greater Impact,” from noon to 1:30 p.m. Aug. 7 at The Ripple Space, 275 W. Third St., Suite 400, Vancouver. Speakers will explain popular giving approaches and how they function with particular emphasis on donor advised funds. Tickets are $35 at rippleimpactnw.org/event/charitable-tools-for-greater-impact/.