Rivers In Time
The Search for Clues to Earth's Mass Extinctions »

Out Of Thin Air
Dinosaurs, Birds, And Earth'S Ancient Atmosphere »

The Flooded Earth
Our Future In A World Without Ice Caps »

The Medea Hypothesis
Is Life on Earth Ultimately Self-Destructive? »

Rivers in Time: The Search for Clues to Earth's Mass Extinctions
The Search for Clues to Earth's Mass Extinctions »

On Methuselah's Trail
Living Fossils and the Great Extinctions »

The Flooded Earth
Our Future in a World Without Ice Caps »

Life as We Do Not Know It
The Nasa Search For (And Synthesis Of) Alien Life »

The Life And Death Of Planet Earth
How Science Can Predict The Ultimate Fate Of Our World »

The Call Of Distant Mammoths
An exploration of the history of life and the importance of humanity as an evolutionary force. It explores reasons for the extinction of the sabre-toothed ti... »