Dr. William Ruddiman will speak on The Impact of Early Agriculture on Global Climate on Saturday, April 17 at 3:00 p.m. as part of the museum’s PEM Talks Climate Change series.

Join the Calvert Marine Museum in celebrating 40 years of excellence in 2010. The museum is open daily from 10:00 a.m. to 5:00 p.m. Admission is $7.00 for adults, $6.00 for seniors and military with valid I.D., and $2.00 for children ages 5 – 12; children under 5 are free. For a complete listing of museum activities and programs, visit the website at www.calvertmarinemuseum.com or call 410-326-2042 ext. 41 for more information.