Thursday, April 22 is Earth Day. 

What better place to celebrate Earth Day than the "Greenest Ballpark" in Major League Baseball? 

Bring a recyclable container to tables set-up outside of the Centerfield Gates and receive a 50% discount for up to four tickets to Thursday's Earth Day game at 4:35pm or a Monday-Thursday game in May (May 4-6 and 19-20) or June (June 8-10 and 21-23), 2010.