91Èȱ¬

How Earth Made Us

91Èȱ¬ Two

In a major series, Professor Iain Stewart reveals how the forces of geology, geography and climate have dramatically influenced human civilisation and how they continue to shape our lives. Each episode takes on a different force and its effect on human history, culminating with a look at how humans have in turn left their mark on Earth's geology and landscapes.

LK

Rivers Of Flowers

91Èȱ¬ Two

The current state of Britain's biodiversity comes under scrutiny in this series, which also demonstrates how everyone can play a part in saving the country's wildlife and help it cope with climate change. It shows how wild flowers planted along nectar-rich corridors, or "rivers of flowers", are the key to the survival of bees, butterflies and birds.

FD

The Secret Life Of The Farmyard

91Èȱ¬ Two

As a pig farmer, Jimmy Doherty has never had any doubt that his pigs are pretty clever, and he is on a quest to find out more. Do cows have best mates? Can chickens tell the time? And do pigs' grunts mean anything? Using the latest scientific research into animal behaviour and intelligence, Jimmy sets out to explore whether these apparently "dumb" animals are in fact sentient beings with complex private lives not understood by humans.

CD

First Life

91Èȱ¬ Two

David Attenborough embarks on a journey to the very beginnings of life on Earth. He's hunting the most elusive wildlife yet – the first animals that ever lived. Ancient fossil seams and extraordinary visual effects enable him to bring prehistory to life, as the animals he discovers live, grow and prey upon each other for the first time in half-a-billion years. And, in these astonishing monsters, he discovers the blueprints of all modern animals – including humans.

BR/LS

Richard Hammond's Invisible Worlds

91Èȱ¬ One

Richard Hammond journeys into the parallel universe that lies beyond the limits of the naked eye. Using state-of-the-art imaging technologies, Richard discovers that it's as much the things we cannot see as those we can that shape our lives. From spectacular natural phenomena such as vast, superfast lightning clusters, to one of the wonders of the living world – the hidden aerodynamics of bats – and our own technological achievements such as the awe-inspiring aerial work conducted on high-voltage power lines, Richard explores the hidden secrets of the invisible world around us.

BR/LS

Saving Species

91Èȱ¬ Radio 4

Through the individual lives of animals and plants, 91Èȱ¬ Radio 4's Saving Species series illuminates the challenges, issues, successes and failures of conservation worldwide. Across 40 episodes, starting in April 2010, in the United Nations' Year of Biodiversity, this series gets close to some of the nation's and the world's rarest and most common species and probes what the future holds for them and the places in which they live.

TE

Lost Land Of The Tiger

91Èȱ¬ One

Working closely with big cat scientists, the 91Èȱ¬'s intrepid expedition team, including Gordon Buchanan, Professor George McGavin and Steve Backshall, travel to the far-flung corners of the Himalayas in search of tigers, snow leopards and clouded leopards. The expedition is part of an ambitious plan to help the survival of these incredible and elusive animals, some of which are on the brink of extinction through poaching and inbreeding, by establishing corridors linking their last strongholds.

BR/LS

The 91Èȱ¬'s natural history output often features working scientists and, with their expert assistance on and off screen, also helps explain the world around us. For more information on the 91Èȱ¬'s natural history programming, visit bbc.co.uk/nature.