In his lecture on February 15, 2012, Michael Mann discussed the “Hockey Stick,” a graph he created with his colleagues to depict changes in Earth’s temperature dating back to 1000 AD. Dr. Mann is a member of the Penn State University faculty, holding joint positions in the departments of meteorology and geosciences and the Earth and Environmental Systems Institute.

Charles Moore

The mission of the Long Beach, California-based Aquarium of the Pacific is to instill a sense of wonder, respect, and stewardship for the Pacific Ocean and its inhabitants. Through its year-round Guest Speaker Series, visitors are able to learn about the most current and pressing issues related to the ocean and environment. Experts share their knowledge and stories about local and global conservation issues in these short video podcasts.