The Consumer Products Safety Commission is often a good first stop for safety information - check out their web site and/or call them. In addition, CCH publishes a Consumer Products Safety Guide, which brings together most of the relevant statutes, regulations, cases, etc.
The Lloyd Sealy Library at the John Jay College of Criminal Justice collects materials on fire safety.
SaferProducts.gov allows people to report and look up safety problems with consumer products.
Accidents: For information about airplane, railroad and automobile accidents see the Transportation entry.
Recalls: Information about major product recalls is posted by Recalls.gov, The Notice Company and the Consumer Products Safety Commission, which also links to recall information posted by other governmenthttp://www.recalls.gov/ agencies. Justia organizes recalls by category so you can look up what agency handles recalls for a particular product.