On the 7 February 2011, Ed Vaizey MP, the Minister for Culture will be meeting the major British Internet Service Providers (ISPs) to discuss the potential of voluntary, 'opt-in' filters that would remove pornography from users' content at the ISP level. (ie before it reaches your computer)
If you think these filters are a good idea you can have your say by using the links on this page:
in80clicks.wordpress.com/2011/01/27/how-you-can-support-the-isp-level-anti-porn-filter-campaign/