NOAA live! Webinar 69 – it’s not easy being shelled: the ocean acidification blues (text & video)


Woods Hole Oceanographic Institution

Excess carbon dioxide (CO2) isn’t just warming the planet; it’s also reacting with seawater and making the oceans more corrosive—a process known as ocean acidification. This slight increase in acidity doesn’t change the way the ocean looks or feels to us—but it’s a big deal for marine species with hard parts made of calcium carbonate, like pteropods, whose delicate shells begin to dissolve when exposed to acidified seawater. Meg Chadsey will demonstrate how ocean acidification is stressing her favorite local shellfish species—oysters—and explain why some shellfish farmers are turning to kelp for help. The webinar lasts about 45 minutes with moderated questions and answers throughout. Aimed at grades 2-8, but all ages will enjoy. (Recorded on February 10, 2021) Meg Chadsey, NOAA’s Washington Sea Grant and the NOAA Pacific Marine Environmental Lab in Seattle, WA **American Sign Language was provided live via a video remote interpreter during the webinar.

#NOAALive4Kids#SeaGrantSTEM

NOAA, 2 March 2021. Text & video.

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