This piece was originally published in High Country News and appears here as part of our Climate Desk collaboration. David Cottrell stood on what used to be a 14-foot-high cliff at the crumbled end of Blue Pacific Drive. Just a few years ago, this was the fastest-eroding shoreline on the U.S. Pacific Coast; locals here in North Cove, Washington, dubbed it “Washaway Beach.” But as Cottrell walked toward the water on a sunny November morning, he stepped not off a cliff but onto soft, dry sand. Thigh-high dune grasses sprawled…