But a group of environmentalists have come up with a high-tech solution to try to tackle the crisis in the countryside . Ash dieback , an incurable tree disease , has been detected in the UK . It threatens Britain 's 80 million ash trees , the fourth most abundant tree in the country . The disease is caused by a fungus called Phytophthora ramorum and it can be spread to other species of oak as well. More than 100,000 trees have been destroyed in efforts to contain its spread .
Ash dieback , an incurable tree disease , has been detected in the UK . It threatens Britain 's 80 million ash trees , the fourth most abundant tree in the country . The disease is caused by a fungus called Phytophthora ramorum and it can be spread to other species of oak as well. More than 100,000 trees have been destroyed in efforts to contain its spread .