Repetitive - Repetition regarding disaster preparedness helps people prepare. The more news coverage about disasters, the more preparing is made simple and accessible to the public, the more likely people will prepare. Time released - The incentive to prepare will fade with time. Accumulative - Whatever you do to prepare counts.
Small investments make big returns.
A whistle could save someone trapped in a building. Fill heavy plastic containers with water when empty. Rotate water every 6 months and freeze some. Stash extra cash in small denominations and coins in your car, office, and home. Electric cash registers may not be operable to make change.