The Des Moines Area Metropolitan Planning Organization (MPO) will host an event called "CHAT! - Come Help Advance Transportation" on July 25. The event will focus on the MPO and its projects. It will kick off the public participation component of "Mobilizing Tomorrow: A Transportation Plan for a Greener Greater Des Moines," which will be developed over the next year to be the implementation plan for The Tomorrow Plan. The event will take place from 5 to 7 p.m. at the MPO office, 420 Watson Powell Jr. Way, Suite 200.