Geology

Filmed in forests, glacial valleys, riversides, and coastal shores, this series demonstrates and explains the discoveries of modern geology and gives students a new perspective on the world around them. 10-part series, 20 minutes each.

The map of the Earth is a flat picture of the Earth’s surface; this BBC Horizon program presents the story of how Harold Wellman changed that picture.

What causes these sinkholes? And is there anything we can do about them? In this fascinating geological detective story, Professor Iain Stewart unearths millions of years of the Earth’s history as he searches for the answers and asks if there are more sinkholes coming our way.