Forget about traditional calendars . . . it's time to reconnect with the natural world! The revolutionary ECOlogical Calendar, like nature itself, marks time by the seasonal changes in life on Earth--from winter snows to spring flowers, from summer sun to autumn leaves. Four three-foot-long, beautifully illustrated full-color panels (one for each season) track the tides, Sun, Moon, planets, and stars throughout the year while offering timely notes on natural history, ecology, and astronomy. Now in its eighth edition, the ECOlogical Calendar will transform your concept of time while providing a daily reminder of our responsibility to safeguard our amazing corner of the cosmos.