Earth has issues, and it's time humanity got started on a Plan B. So, starting in 2014, Virgin founder Richard Branson and Google co-founders Larry Page and Sergey Brin will be leading hundreds of users on one of the grandest adventures in human history: Project Virgle, the first permanent human colony on Mars."
Larry Page and Sergey Brin have recorded video to support this:
Richard Branson has also recorded a video:
www.google.com/virgle has all the information and gives the opportunity to sign up to the project and talks in depth about their plans for an "Open Source planet"!
This is also discussed on the Google blog at http://googleblog.blogspot.com/2008/04/announcing-project-virgle.html
There is also a Project Virgle YouTube channel at www.youtube.com/virgle
Very entertaining - great April fools day idea!