"This film deals with the seasonal climates in the Western Hemisphere of the Americas emphasizing that seasonal changes are due in part to the tilt of the earth on its axis and the eart's rotation around the sun. Examples and conditions of seasonal changes are shown through animation and love photography."--AV-ED Films SEQUENCES: introduction, spring, summer, autumn, winter 1336 A: Print #2 1336 B: Print #3 1336 C: A-wind neg.. 1336 D: A-wind neg. track