Planet Earth stories
Covering an area the size of the Isle of Wight, Salisbury Plain contains the largest military training area in the UK and the largest single expanse of chalk grassland in Western Europe. John Redhead explains how this sometimes turbulent landscape provides both a conservation challenge and some unique habitats for wildlife.
21 Aug 2015
It's not unusual to see polar bears and tigers fronting conservation campaigns and adverts, but worms and crustaceans? Not so common. Lydia Bach explains why some lesser-known species deserve more of the limelight.
20 Jul 2015
CO2 emissions are making the oceans more acidic. We're still not sure what this will do to marine life, but in many places the result's unlikely to be good. Jason Hall-Spencer describes his efforts to understand the impact by investigating places where the gas bubbles naturally from the seabed.
10 Jul 2015
There's still a huge amount we don't know about the history of the southern polar ice sheet. Bethan Davies was part of an international team that brought together the latest findings to reveal a complex and dynamic Antarctica.
19 Jun 2015
Ancient mainstays of our woodlands, hedgerows and parklands are at risk from a surge of pests and diseases - but a new research programme is bringing experts together from many fields to find solutions.
29 May 2015
Hidden from view at the bottom of Bangladesh's large rivers are gigantic holes up to 50m deep and several kilometres long. Mark E Vardy explains how studying them is vital for understanding how large rivers evolve and affect the lives of hundreds of thousands of people living on their deltas.
20 Mar 2015
Tags: Rivers and lakes