The Arthur R. Marshall Foundation for the Everglades invites the public to attend the John Marshall Everglades Symposium on Saturday, Oct. 8 from 8 a.m. to 3 p.m. at the West Palm Beach Marriott (1001 Okeechobee Blvd.). Admission is $30. The luncheon keynote speaker will be award-winning author and journalist Michael Grunwald. To purchase tickets, or for sponsorship opportunities, visit www.artmarshall.org by Oct. 3. For more info., call (561) 233-9004 or e-mail email@example.com.