The Facebook event page has the necessary background information regarding the Bill itself, and suggests that citizens take part in both visible protest actions, as well as a letter campaign to Members of Parliament.
Bill C-10 (Official Government of Canada site)
Online petition against the Bill (Hosted at ThePetitionSite.com)
See Who Votes for What (Openparliament.ca)
^^ From the Facebook page: "This is where you can find out WHO is voting FOR this bill. CLICK ON THE DATE of the vote. Then the INDIVIDUALS who said yes. CONTACT LINK IS ON THE LEFT of the next page. "
"Texas Conservatives Reject Harper's Plan", CBC.ca