A 30-min, in-depth presentation of the science of OA, including carbon cycle, chemistry of OA, aragonite saturation state, and effects on coral reefs and other marine calcifiers. Presentation is closed-captioned. Presentation will play automatically in a DVD player or from a computer.
Slideshow from science presentation, with presentation notes from speaker. Available as MS PowerPoint file and as a PDF with speaker notes.
A 15-min presentation of NOAA administrator giving overview of OA and showing two classroom demos using dry ice and chalk (video has a 12-sec delayed start).
A 21-minute film narrated by Sigourney Weaver, with leading science researchers explaining OA to a general audience (film online: http://www.nrdc.org/oceans/acidification/aboutthefilm.asp ).
A 2-minute introduction to OA, linking human activities to carbon emissions and chemical changes in the ocean - download MP4 (Right Click Save As)
A 4-minute introduction to OA, showing potential effects of pteropods ("sea butterflies.") Video also shows animation of how OA measurements are taken in the ocean, and likely effects on marine life from increasing OA, beginning at the base of the foodweb. download MP4 (Right Click Save As)
A 6-minute video that links OA to specific effects on particular marine species - sea urchins - and shows how these are collected and studied. Includes animation of OA chemical equation, and shows how sea urchin larval measurements are made to study effect of future ocean conditions. Video can be used as introduction to activity "OA Virtual Lab," under Multimedia section. download MP4 (Right Click Save As)