About the month of Shevat: Important facts and figures Tu Bi-Shevat basics Tu Bi-Shevat: The new year of the trees: 15 psalms, 15 fruits Sharing God's fruitfulness — Generation and regeneration: A mystical seder Rabbi Arthur Waskow Preserving the sacred environment: A religious imperative Richard Schwartz In celebration of Tu bi-Shevat, enjoy our Special Issue on TREES   The Jewish calendar: How it is calculated and when it was established The Jewish calendar: Solar/lunar structure The zodiac in Jewish tradition