Silent Running Green

The 1972 classic Silent Running is lauded as one of the most influential science fiction films of all time. The soundtrack features a memorable score by Peter Schickele and songs by Joan Baez. After the end of all botanical life on Earth, an ecologist and his robots maintain a greenhouse on a space station in order to preserve key plants from extinction. They are later ordered to destroy the greenhouse, a decision that forces them to do anything necessary to keep their invaluable greenery alive