Monty Halls explores Australia's Great Barrier Reef, one of the natural wonders of the world and the largest living structure on our planet. Monty explores its full 2000-kilometre length, from the wild outer reefs of the Coral Sea to the tangled mangrove and ...

It takes two or three generations for the monarch butterfly to reach the Canadian breeding grounds, but it is one "supergeneration" that makes the 2,000 mile return trip back south into central Mexico. The documentary film covers Dr Fred Urquhart's interest ...