"They've lived for so long; just think what they've seen." Forester Nick Baimbridge is gazing fondly at a majestic oak that has stood for more than a thousand years. On this wintry afternoon, birds sing from lichen-covered branches and a deer runs through the undergrowth.
Planting more trees is one of a combination of solutions to combating climate change, but some trees are far better than others. Which ones though? Scientists have designed an experimental forest in England to work out the best formula for achieving ambitious tree planting targets.