The AFF thread is the official site for the bringing back of Futurama and has a link to the petition, I believe.
The reasoning for the hiatus, not cancellation, of the show is because of ratings dropping during the 3rd and 4th Broadcast Seasons. The 5th Broadcast Season was left overs, showing why there was a 5th Season in the middle of the summer.
Also, welcome to PEEL. Enjoy your stay at nerd-world. Also, welcome to PEEL. Enjoy your stay at nerd-world.
Here's a link to the PEELer's FAQ. Note the one question that talks about not double posting and editing.