Crossword clues for the word: CONSERVATION The word CONSERVATION has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for CONSERVATION Showing 1 to 4 of 4 results Clue(s) Careful management of refurbished cast-iron oven Exchanging very small talk, maintaining historic buildings Sierra Club concern Subject of J. F. K. message.