Denmark's ash disease dieback toll poses warning to UK
The deadly disease ash dieback is threatening trees across the UK, with experts warning that 95% of Britain's ash woodland could eventually fall victim to the fungal infection.
Scientists in Denmark, who have been struggling against the disease for ten years, say the few trees which have survived there could hold the key to replacing the millions which are likely to be lost.
Jeremy Cooke reports.
- 20 November 2012
- BBC News