Hearing Protection

== Background ==
* Noise levels have risen six-fold in 15 years in major US cities. 
* The Census Bureau reports that noise is Americans' top complaint about their neighborhoods, and the major reason for wanting to move.
===Advice===
* Stay safe when young.
== ==
* Planks on hearing and about noise/sound pollution from Mark Rauterkus
=== Loud motorcycles ===
=== Loud concerts ===
=== Loud neighbors ===