CALENDAR

SATURDAY, MARCH 31

The American Woodcock — 6 p.m., Stewart B. McKinney National Wildlife Refuge, 733 Old Clinton Road, Westbrook; a Powerpoint presentation and walk on the grounds with Patricia Laudano, naturalist & former president of Potapaug Audubon.

12 Hours of Code — 10 a.m.-10 p.m., Spark Makerspace, 225 State St., New London; get that winter programming project done in a supportive and collaborative atmosphere; bring a laptop if you have one; donations suggested; (860) 866-4834.

The Art and Science of Pruning — 10 a.m.-noon, New London Hall, Connecticut College, 270 Mohegan Ave.; presented by Jim Luce, supervisor of grounds; a brief lecture before going outside to view pruning demonstrations on campus plantings; $10; free for members; call to register, (860) 439-5020.

Internet Basics — 3 p.m., Groton Public Library, 52 Newtown Road; call to reserve your spot, (860) 441-6750.

Gamblers Anonymous — 11 a.m., Waterford Public Library, 49 Rope Ferry Road.

Overeaters Anonymous — 10-11:15 a.m., St. Luke’s Lutheran Church, 1830 Route 12, Gales Ferry; (860) 608-3480.

Alcoholics Anonymous — 10 a.m., Niantic Community Church, 170 Pennsylvania Ave.

Narcotics Anonymous — 7 p.m., Noank Baptist Church, 18 Cathedral Heights. Narcotics Anonymous — 10:30 a.m., Huntington Street Baptist Church, 29 Huntington St., New London.

SUNDAY, APRIL 1

Adopt-A-Book — 9:30 a.m., Public Library of New London, 63 Huntington St.; sponsor a book for the library and we will add a book plate to the book; free; (860) 447-1411. Overeaters Anonymous — 6-7 p.m., Grace United Methodist Church, 10 Park Ave., Westerly. Narcotics Anonymous — 7:30 p.m., St. Mark’s Episcopal Church, 15 Pearl St., Mystic. Narcotics Anonymous — 7 p.m., Rogers Lake Clubhouse, 75 Rogers Lake Trail, Old Lyme. Narcotics Anonymous — 6 p.m., L+M Hospital, 365 Montauk Ave., New London.