In "Time and Water," archives of film and ice hold memories of a vanishing world (opens in new tab)

In Oscar-nominated director Sara Dosa’s latest documentary “Time and Water,” the legacy of Iceland’s melting glaciers intersect with a writer’s own attempts to preserve his family’s memories before they, too, slip away. Dosa spoke about the allure of making another archival film, how Dropbox helped her team stay organized, and the challenge of telling a story that is, quite literally, unfolding at a glacial pace.