arboriculture

Catherine Nuttgens, an arboriculture specialist who led the judging, said: "The destruction of the Sycamore Gap felt so utterly senseless, but this trees of hope initiative has kept that sense of joy alive."

Certification by either organization indicates the arborist has a degree in arboriculture, several years of experience and has passed a difficult exam.

Ms Waring, who specialises on preparing plans for protecting trees on development sites, said jobs in arboriculture also included research, lecturing and charity campaign roles.

Alongside an interest and pride in arboriculture, there’s another reason for Sledge to climb: The thrill.

Certification by either organization indicates the arborist has a degree in arboriculture, several years of experience and passed a difficult exam.