One of the most important factors affecting the longevity of library and archival materials is the environment in which they are stored, used, and displayed. Research has demonstrated the damage that can be done by temperature, humidity, light, and pollutants. Controlling these effects is the highest priority of any preservation program.

Click on the links below to read descriptions of how each of them can cause damage.

1. Temperature
2. Humidity
3. Light
4. Pollutants