When hearing such heavy-weight names as Space Command or Space Force we could be forgiven for dreaming up images of space adventures and conquests.
Find one of many profound Earth Day Quotes in the lyrics for “Cry Out,” written to raise environmental pollution awareness.
A detailed environmental cleanup project for Earth was put forth in the 1983 SF novel Mission Earth by L. Ron Hubbard.
Another aspect to science fiction: by its nature most of it has an element of satire. It has been used by such notables as Mark Twain, Johannes Kepler, Samuel Butler, Jules Verne and Sir Thomas More. This becomes more obvious when the history of satire is examined and compared to science fiction.