From the Google Blog
<quote>
The National Center for Missing & Exploited Children (NCMEC), and its sister agency, the International Centre for Missing & Exploited Children (ICMEC), have announced that Google has joined the Technology Coalition and the Financial Coalition Against Child Pornography, two critical industry initiatives to fight commercial child pornography over the Internet.
</quote>

Link:
http://www.missingkids.com/missingkids/servlet/NewsEventServlet?LanguageCountry=en_US&PageId=2629