Columbia seventh-graders tap into awareness of world water crisis

Sunday, January 18, 2009 | 4:15 p.m. CST; updated 10:04 p.m. CST, Sunday, January 18, 2009

COLUMBIA — Rayna Sims is excited to be a 13-year-old in the middle of Missouri working to make a positive difference in the lives of people across the world.