A woman in a wheelchair is evacuated via helicopter following Hurricane Katrina.

Tracking the Vulnerable: Medical Registries Provide Lifeline in Emergencies

Registries of residents who have medical needs offer potentially lifesaving data to officials during an emergency, while aiding everyday planning activities.

Civic Ninjas Hacks its Way to Disaster Solutions

The civic hacking group develops projects designed to help governments during emergencies.

Napa Quake Rattles D.C. Efforts on Seismic Alerts

The recent earthquake in California could spur support for a long-debated early warning system.