Ash dieback: Diseased trees to be felled in Compton and Shalford – but what exactly is it, and how has it been allowed to sweep across the county over the past five years?

It is the first time trees have required felling in Guildford borough due to ash dieback, which has reportedly wiped out 90% of all ash trees in Denmark Joshua Smith http://www.getsurrey.co.uk/news/surrey-news/ash-dieback-diseased-trees-felled-14109804