The Federal Communications Commission approved an emergency alert system yesterday that will use text messages to notify Americans of emergencies.

A yet-to-be determined federal agency will create the messages and pass them on to participating cell phone providers, which are likely to include Verizon, AT&T, Sprint Nextel, and T-Mobile, CNN.com reports.

Alerts regarding terrorist attacks and other disasters that jeopardize the health and safety of Americans will be sent by the US president. Two other types of events that will warrant ...