Breadcrumb Home Search Showing results for Language Content type Video (1) Article Type Topics (-) Ancient Seas (1) (-) Poles (1) (-) The Anthropocene (1) Climate Change (1) Ice (1) Shifting Baselines (1) Temperature & Chemistry (1) Tags Site Search Sort by RelevanceTitle SortAuthored on Order AscDesc Sort By RelevanceA-ZZ-ANewestOldest Video Dr. Jan Backman, Marine Geologist March 2010 Watch the Video