Profs and Pints

(https://www.profsandpints.com/philadelphia) presents: **“Climate Change 101,”** a crash course on the science related to directional climate change and global warming, with Sean O'Donnell, professor in Drexel University’s Biodiversity, Earth and Environmental Science program. (https://profs-and-pints-black-squirrel.ticketleap.com/climatescience/) .] We hear and read a lot about climate change and global warming, and it has become pretty hard to ignore the Philadelphia region’s wacky weather patterns with its recent freakily warm winters, vanishing snow, and late spring “heat domes.” Many of us, however, don’t have much of a grasp of the science explaining such developments and can’t answer questions such as: How do we really know