In today’s Academic Minute, Bärbel Hönisch of Columbia University’s Lamont-Doherty Earth Observatory describes how rising levels of CO2 are not only warming the atmosphere, but accelerating the acidification of the oceans as well. Hönisch is assistant professor of earth and environmental science at Columbia and a geochemist at the Lamont-Doherty Earth Observatory. Find out more about her here. A transcript of this podcast can be found here.