Earth Day Service
St. Mark Presbyterian Church and its Ecophilians Environmental Group host a Earth Day Sunday with special Earth Day worship times services at 9 to 10 a.m. and 10:30 to 11:30 a.m. at the church, 2200 San Joaquin Hills Road, Newport Beach. Following the services, UCI Professor Dr. David Feldman will speak about "The Injustice of Climate Change: Faith, Eco-justice, and Global Environmental Challenges" at 10:45 and 11:45 a.m. For more information, call (949) 644-1341.
The Zen Center of Orange County hosts an introduction to Zen workshop at the center from 1:30 to 4 p.m. at 120 E. 18th St., Costa Mesa. For more information, call (949) 722-7818.
The Costa Mesa-based Epilepsy Alliance of Orange County is forming teams to run in the Bank of America /Merrill Lynch Cinco de Mayo Half Marathon event at the Irvine Spectrum. For more information, visit http://www.cincodemayohalfmarathon.org.