Bruce Dern stars in this ecological sci-fi classic as a botanist preserving      the only botanical specimens left on Earth, under huge geodesic domes. His       rebellion against his authorities takes him on the loneliest adventure of all.   Intelligently written by Michael Cimino and Deric Washburn (who collaborated   on Cimino's The Deer Hunter), along with Steven Bochco, who would go on  to create the influential TV shows Hill Street Blues, L.A. Law and NYPD Blue. With songs by Joan Baez.                                        Douglas Trumbull---USA---1971---90 mins.