By simulating the future atmosphere, scientists hope to understand whether trees will continue to act as the lungs of the ...

Colorful trees lining a lake in White Mountains National Forest, New Hampshire. (Getty Images/Cappi Thompson) Additionally, sunny days paired with cool nights in early autumn can enhance the colors.

Graham Woollven Graham Woollven: "This atmospheric avenue of trees in part of Matlock Forest in Derbyshire made for a strong autumn subject in the late afternoon light." Alice Johnson ...

Full of twisted hundred-plus-year-old trees and rock formations carpeted ... to see the dark green ferns come to life, while the forest in autumn is filled with an array of wild mushrooms.

Autumn is back, bringing with it a dazzling patchwork of foliage. From fiery-red maple leaves to coppery-bronze beech trees, it won't be long until the UK's forests begin to change colour.