Crossword clues for the word: ECOSPHERE The word ECOSPHERE has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for ECOSPHERE Showing 1 to 6 of 6 results Clue(s) All habitable areas, collectively Closed system that includes all life on Earth Earth's habitable parts Life-support system? Pro-cheese movement of concern to the Greens? Self-sufficient habitat