Anne MacLeod

TREE roots out the most amazing facts about these silent sentinels of our hectic planet. Although they stand vulnerable to every attack from forest fire to fungus, they remain invincible. Whether tiny bonsai or giant sequoia, trees enrich every corner of our world.

Provides information about flight, using live-action photography and special effects to examine some of nature's greatest fliers, as well as the history of manned flight.

Videocassette. A mixture of animation and live footage serves as a background for a narrated introduction to the geology of continental drift and the origin of volcanoes, and to the influence of volcanic activity on human culture