Alexandria will be celebrating Earth Day on April 25, 2009 at Ben Brenman Park. According to its web site, the theme this year will be alternative transport. DASH provides convenient service to the park via the AT 1 or AT 7. Both line can be directlly accessed from the Van Dorn, King, or Eisenhower Metro stations. If you can’t take the bus, bike, walk, scoot, or carpool.