Trees and forests are often called the "lungs of the planet" because of their vital role in producing oxygen and absorbing carbon dioxide. Trees play a pivotal role in mitigating climate change, ...

The “cloisters” of a tree cathedral planted as a memorial following the First World War have been restored after being devasted by ash dieback, the National Trust said. Whipsnade Tree Cathedral in ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...