Friday’s program in the Deltaville Great Decisions series, America’s largest discussion on world affairs, will take a look at the recently negotiated High Seas Treaty, an international agreement designed to address a number of issues.

Steve Gahan will present on High Seas Treaty at 10 a.m. Friday at the DCA Community Center, 17147 General Puller Highway.

Areas of the seas beyond national jurisdiction comprise the high seas, which are facing a degradation of ecosystems due to climate change and the increase in human activities, such as shipping, overfishing, pollution and deep-sea mining.

The recently negotiated High Seas Treaty, also known as the Biodiversity Beyond National Jurisdiction treaty, will attempt to address these issues. How important and how difficult will it be to convince nations to participate?

Gahan is a U.S. Naval Academy graduate, where he majored in international security affairs. As a career Naval officer, he served as both a Surface Warfare Officer an...