Which is disappearing because of Martian warming and the fact that we just don't care enough.
Gerda Horneck, a German astrobiologist
Complete list of life forms studied by astrobiologists:
"It is the right of every person to stand and stare across the beautiful barrenness and desolation of the Martian surface without having to endure the eyesore of pieces of crashed spacecraft scattered across the landscape."
If it is my "right" (as defined by kooks like this), then I demand the government fund a trip to mars for me to see the beautiful barrenness.
The environmentalists have been enraged when more people might have the ability to access earth-bound National Parks. They're bound to go out of their gourds if you defile a pristine, human-free planet.
Plan for desert (Death Valley) upsets environmentalists - County aims to 'restore' access to land through 1866 mining law - 06/24/04 San Bernardino County Sun