The Patuxent Research Refuge will hold an Earth Day Celebration from 1 p.m. to 4 p.m. today at the North Tract Visitor Station.
People of all ages are welcome to participate in educational programs and help with weeding and general trail maintenance. Dress to get dirty.
A program for children ages 8-10, "Earth Day, Every Day," will offer interactive activities from noon to 1:30 p.m. today that demonstrate ways to celebrate the Earth every day.
A Refuge Walking Tour for ages 12 and older is scheduled from 9:30 a.m. to 10:30 a.m. May 3. The tour includes a look at habitats and wildlife management in the refuge.
Admission is free, but reservations are required. Information: 301-497-5887.
Although the National Wildlife Visitor Center is temporarily closed for repairs, programs will continue and the grounds will remain open until 4:30 daily, except federal holidays.
Antiques market Saturday at Carroll Baldwin Hall
An Antiques and Collectibles Mart is planned from 9 a.m. to 3 p.m. Saturday at Carroll Baldwin Hall, at Baltimore and Foundry streets, in Savage. The rain date is May 3.
Vendor spaces are available. Outside spaces are available for $25; inside spaces, for $50.
Information: AAA Antiques Mall, 301-483-0047.
Volunteers sought -- The Volunteer Center Serving Howard County, in cooperation with CERN (the Community Emergency Response Network), is recruiting and referring members of the community to local nonprofit and government agencies in need of volunteers for disaster preparedness and recovery. 410-715-3179.
Historical society -- The Savage Historical Society will meet at 7 p.m. tomorrow at the Faith & Ministry Center, 9032 Baltimore Street. Those who attend are asked to use the side entrance, off Foundry Street. Galen R. Menne, president of the society, will speak about "The 1842 Church Trial of a Worker at the Savage Manufacturing Company." Admission is free and open to everyone. 301-725-1241 or 301-466-0408.