Ash die back is predicted to kill 80% of the UK's ash tree population ...

London has one of the largest urban forests in the world with over 8 million trees on private and public land. But this summer they are under extreme stress due to three heatwaves and a lack of rain.

A train crashed into a fallen tree at 84mph (135 kmh) in Broughty Ferry because a warning call did not reach the driver in time, an investigation has found. The driver of the train only escaped ...