Cans increase the shelf life of packaged food and decrease food waste due to product expiration, enabling the convenient and safe distribution of nutritious food to people around the world. No other food packaging would perform as well in situations such as disaster response, storage for homeland security, or famine relief.
Preparing an Emergency Food Supply -- The University of Georgia
How Much Food Do You Need? -- Washington State Emergency Management Division
Food and Water In An Emergency -- Louisiana State Office of Homeland Security and Emergency Preparedness
Are You Ready? -- Federal Emergency Management Agency
The Advantages of Metal Packaging -- The European Metal Packaging Industry