Breadcrumb Home Search Showing results for Language Content type Video (1) Article Type Topics (-) Climate Change (1) (-) Shifting Baselines (1) (-) Temperature & Chemistry (1) Ancient Seas (1) Ice (1) Poles (1) The Anthropocene (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