The document announces a marine discovery talk series hosted by OCCI, a local volunteer group focused on coastal and marine environmental issues in Lake Macquarie and Newcastle. The first talk will be on Thursday September 8th at 7pm at Community Hall in Charlestown Square, and will feature Environmentalist Tim Silverwood discussing his experience sailing to the Great Pacific Garbage Patch and the plastic pollution he discovered there. The second talk on October 13th at Caves Beach Hotel will be by underwater photographer Justin Gilligan about his research assessing the extinction risk of marine fish endemic to Lord Howe Island.