Step up for lung health at the American Lung Association’s Fight for Air Climb at Presidential Towers on Sunday, March 27, 2011. Climb 1, 2, 3, or all 4 of the towers, as an individual or as part of a team. That’s a total of 180 floors and 2,340 steps! The event also features Chicago’s only stairclimb relay, where each team member tackles one of the four towers. Only 1,500 entries available, so register today at FightForAirClimb.org or 1-800-LUNG-USA.