Lecture date: November 10, 2014. Los Angeles Times Food Editor Russ Parsons and author Paul Greenberg discuss sustainable seafood in the U.S.

Lecture date: November 4, 2014. John Williams discusses the potential for cancer cures in marine organisms.

Lecture date: October 21, 2014. Ty Bowman discusses his photography of the Grand Canyon.

Lecture date: October 20, 2014. Jared Farmer discusses the landscape revolution in California initiated by tree planters.

Lecture date: October 16, 2014. Stephen Dunbar discusses sea turtle conservation.

Lecture date: September 24, 2014. Lincoln Paine discusses his book, The Sea and Civilization: A Maritime History of the World.

Lecture date: August 25, 2014. Rear Admiral (retired) William McDaniel discusses his book, Faces of the Tsunami, which documents the U.S. relief effort following the earthquake and tsunami in Indonesia in 2004.

Lecture date: August 27, 2014. Danni Washington is the host of Ocean GEMS (Girls Explore Marine Science), a multimedia series and outreach program that connects girls to women marine scientist role models.

Lecture date: September 29, 2014. Jerry Zucker is the Hollywood lead on the Science-Entertainment Exchange, a program of the National Academy of Sciences.

Lecture date: September 19, 2014. Craig MacDonald shared the story of Jessie Benton Fremont, who helped lead the first successful effort to protect Yosemite Valley as national park land 150 years ago.