Trees affected by ash dieback
Media playback is unsupported on your device

Ash dieback: How the British landscape is changing

The Forestry Commission is warning that a whole generation of ash trees is likely to die because of the unstoppable spread of the ash dieback disease.

It has been a year since it was first discovered in the UK and now the trees are in leaf, the full impact of the disease is starting to become evident.

Jeremy Cooke reports.

  • 12 Jun 2013
Go to next video: 5,000 Welsh trees need protection