Keyword Equator

People have always been fascinated by the tropics. Explorers from Europe were among the first to travel to the equatorial region centuries ago. Modern scientists are continuing what began with these pioneers. The documentary traces the historical exploration of the paradise belt at latitude 0 and looks at modern research at the equator.

In a defining moment for the natural world, Gordon Buchanan makes an epic journey round the equator - taking to the skies with experts racing to protect both wildlife and people.

Simon Reeve takes a 25,000 mile journey around the Equator